Helical separable fastener,申请号US19240733488-传众专利搜索

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发明名称	Helical separable fastener
摘要
申请公布号	US1937297(A)	申请公布日期	1933.11.28
申请号	US19240733488	申请日期	1924.08.22
申请人	HOOKLESS FASTENER COMPANY	发明人	SUNDBACK GIDEON
分类号		主分类号
代理机构		代理人
主权项
地址

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