METHOD OF MAKING A HINGE IN A SHEET OF POLYOLEFIN MATERIAL, AND HINGED SHEET OF POLYOLEFIN MATERIAL MADE ACCORDING TO THIS METHOD,申请号CAD781365-传众专利搜索

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发明名称	METHOD OF MAKING A HINGE IN A SHEET OF POLYOLEFIN MATERIAL, AND HINGED SHEET OF POLYOLEFIN MATERIAL MADE ACCORDING TO THIS METHOD
摘要
申请公布号	CA781365(A)	申请公布日期	1968.03.26
申请号	CAD781365	申请日期
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ, N.V.	发明人	DIRK GROOTENBOER
分类号		主分类号
代理机构		代理人
主权项
地址

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