Key tag and directory,申请号US19290395226-传众专利搜索

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发明名称	Key tag and directory
摘要
申请公布号	US1841780(A)	申请公布日期	1932.01.19
申请号	US19290395226	申请日期	1929.09.26
申请人	BIGGS LEONARD A;RACIER GOLDSTEIN SAMUEL	发明人	BIGGS LEONARD A.;GOLDSTEIN SAMUEL RACIER
分类号	G09F3/00	主分类号	G09F3/00
代理机构		代理人
主权项
地址

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