One piece adjustable key holder,申请号US19530347795-传众专利搜索

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发明名称	One piece adjustable key holder
摘要
申请公布号	US2816434(A)	申请公布日期	1957.12.17
申请号	US19530347795	申请日期	1953.04.09
申请人	BROWN & BIGELOW	发明人	OLSON JOHN J.
分类号	A44B15/00	主分类号	A44B15/00
代理机构		代理人
主权项
地址

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