Fastening device for safety pins and other pins,申请号US19430508664-传众专利搜索

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发明名称	Fastening device for safety pins and other pins
摘要
申请公布号	US2351569(A)	申请公布日期	1944.06.13
申请号	US19430508664	申请日期	1943.11.02
申请人	WHITE DONALD H	发明人	WHITE DONALD H.
分类号	A44B9/18	主分类号	A44B9/18
代理机构		代理人
主权项
地址

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