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JPS5279698U |
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JPS5225835Y2 |
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JPS5264794A |
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JPS5264793A |
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JPS5215890B1 |
1298007 Buoys GENERAL DYNAMICS 18 May 1970 [26 May 1969] 24019/70 Heading B7A [Also in Division E1] The walls 18, deck 20 and internal partitions 34, 36 of a large buoy are formed integrally with the moulded bottom 10, 14, 16 by projecti...
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JPS5253382A |
PURPOSE: Invasion of insects are effectively prevented and also boat weight is reduced to improve characteristics.
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JPS5219036Y2 |
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JPS5256892U |
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JPS5256900U |
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JPS5256893U |
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JPS5252299U |
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JPS5238735A |
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JPS5241898U |
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JPS5230100U |
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JPS5227194A |
PURPOSE: To increase effective reflection area in a radio reflecting ship made of material with a weak radio reflection capacity such as synthetic resin and wood a part or whole of which is provided with a metal member for radio reflection.
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JPS5220692U |
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JPS5220700U |
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JPS5220693U |
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JPS5215078A |
PURPOSE: Ship body is formed by concrete core and reinforced plastics side surfaces, to obtain light weight, water tight and cheap body compared with concrete boat.
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JPS5214696U |
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JPS524717Y2 |
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JPS523035Y2 |
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JPS528397U |
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JPS528398U |
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JPS522897U |
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JPS522893U |
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JPS522898U |
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JPS51163295U |
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JPS5153598Y1 |
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JPS51147890A |
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JPS51143288A |
PURPOSE: Stable and high speed cruising ship prodicing very low wave making resistance at high speed.
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JPS51149594U |
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JPS51144000U |
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JPS5143063B2 |
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JPS5140717B2 |
A catamaran is made with two hollow plastic hulls. Each hull consists of two vacuum formed plastic sheets heat sealed together at a vertical peripheral flange. The flange is enlarged on the lower side of the hull to define a keel. A load...
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JPS51126694A |
PURPOSE: To provide a hull with durability and easy production by using the slow harden flexible board, of which the chief ingredients are resin, sand and cement, for the wall constituting the hull.
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JPS5145114Y2 |
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JPS51126597U |
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JPS5123798B2 |
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JPS5121517B2 |
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JPS5125354Y2 |
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JPS5125356Y2 |
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JPS5180896U |
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JPS5125355Y2 |
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JPS5125196Y2 |
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JPS5125117Y2 |
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JPS5120111B1 |
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JPS5119920B2 |
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JPS5174996U |
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JPS5174997U |
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