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JPS53120099U |
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JPS53105300U |
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JPS52167199U |
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JPS5243600Y2 |
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JPS52115098U |
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JPS52115099U |
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JPS5294694A |
1531986 Goggles H MARKER 13 Jan 1977 [2 Feb 1976 ] 01346/77 Heading G2J A pair of goggles comprises a pair of eyecup connected by a bridge for the nose and a restraining strap for the head, the rims of the goggles adjacent the face being...
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JPS5290900U |
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JPS5275340A |
PURPOSE: To obtain a defrosting lens of highly commercial value by making a permanently hydrophilic lens by kneading diethylene glycol bis (allyl carbonate) monomer with acrylic acid or its specific ester followed by molding and polymeri...
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JPS5244999A |
PURPOSE: A container enclosing transparent fluid is provided with at least a portion of wall which is transparent. The container is sunk in muddy water to form transparent body through which substance in water is visible.
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JPS5245997U |
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JPS5231200U |
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JPS51162500U |
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JPS51145198U |
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JPS51145199U |
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JPS5146800Y2 |
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JPS51137892U |
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JPS51133999U |
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JPS5144320Y2 |
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JPS51126598U |
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JPS51119298U |
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JPS51112900U |
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JPS5131678B2 |
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JPS5155600U |
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JPS5149600U |
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JPS5144100U |
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JPS5124147U |
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JPS5122400U |
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JPS517200U |
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JPS50123190U |
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JPS50123099U |
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JPS5074443A |
1425910 Diving spectacles OPTISCHE INDUSTRIE DE OUDE DELFT N V 27 Aug 1974 [7 Sept 1973] 37368/74 Heading G2J Two indentical optical systems comprise components 9 concave towards the image side and components 12 of positive power. The no...
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JPS5045899U |
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JPS5025290U |
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JPS5020398U |
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JPS5020399U |
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JPS49124800U |
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JPS4933829Y1 |
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JPS4933833Y1 |
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JPS4933828Y1 |
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JPS4933038Y1 |
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JPS4996959U |
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JPS4996960U |
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JPS4928718Y1 |
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JPS4928719Y1 |
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JPS4963194A |
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JPS4956698U |
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JPS4953500U |
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JPS4937999U |
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JPS4912799Y1 |
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