Slide fastener element and method of making slide fasteners,申请号US19390309375-传众专利搜索

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发明名称	Slide fastener element and method of making slide fasteners
摘要
申请公布号	US2290263(A)	申请公布日期	1942.07.21
申请号	US19390309375	申请日期	1939.12.15
申请人	CONMAR PRODUCTS CORPORATION	发明人	WINTRITZ GEORGE
分类号	B21D53/50	主分类号	B21D53/50
代理机构		代理人
主权项
地址

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