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JPH0440973B2 |
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JPH0427117Y2 |
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JPH0427120Y2 |
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JPH0427118Y2 |
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JPH0427115Y2 |
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JPH0427116Y2 |
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JPH0427119Y2 |
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JPH0416581Y2 |
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JPH043260Y2 |
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JPH04935U |
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JPH03110798U |
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JPH0347496Y2 |
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JPH0347494Y2 |
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JPH0347495Y2 |
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JPH0347497Y2 |
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JPH0347498Y2 |
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JPH0347493Y2 |
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JPH0345573Y2 |
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JPH0345575Y2 |
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JPH0345574Y2 |
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JPH0345572Y2 |
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JPH0392962U |
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JPH0385883U |
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JPH0328767Y2 |
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JPH0358723A |
PURPOSE: To interrupt swimming of fish and shellfishes to inward and outward of fixed sea area by providing plural supporting piles surrounded with plural electrode rods in seawater and forming electric field between electrodes. CONSTITU...
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JPH039174U |
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JPH0259599B2 |
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JPH0228759Y2 |
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JPH0228760Y2 |
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JPH0284299U |
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JPH0277899U |
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JPH0273096U |
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JPH0273095U |
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JPH0273098U |
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JPH0273097U |
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JPH0272000U |
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JPH0242398U |
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JPH0241399U |
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JPH0237499U |
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JPH0231476U |
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JPH0256899A |
PURPOSE: To form an electric screen in response to an artificial alga reef around the artificial alga reef by forming electrodes with a conducting substrate, an insulating cover and the exposed sections of the conducting substrate with n...
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JPH0240896A |
PURPOSE: To inhibit fishery product from penetrating the raising area by providing two electrodes placed underwater, a shield conductor disposed therebetween and surrounding the raising area and a power source for generating electric scr...
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JPH021840Y2 |
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JPH0213340A |
PURPOSE: To easily attach a discharge lamp to a holder by providing the holder with a pair of elastic metal wire elements in contact with a pair of contact pins provided at a connector at the base part of the low voltage mercury discharg...
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JPH021040Y2 |
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JPH021039Y2 |
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JPH01312954A |
PURPOSE: To turn a dove away without affecting the fine sight and shape of an object by arranging insulated two conductors on the surface of the exposed edge of a structure and a monument, etc., and supplying a high voltage current at a ...
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JPH01298699A |
PURPOSE: To reduce radio wave failure as well as efficiently supply pulses to a meadow fence by internally detecting the load of an energizing device so as to control pulse output from plural signal generating means via a control means. ...
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JPH01274395A |
PURPOSE: To make it possible to prevent the adhesion of sea-organisms to the structure of a sea water channel by applying a very narrow high voltage pulse several times repeatedly to the sea water passing through the entrance portion or ...
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JPH01273571A |
PURPOSE: To improve the preservability of various foods, by superimposing the output of a high frequency AC high voltage having variable high frequencies on a DC high voltage as a standard voltage and impressing the superimposed voltages...
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