Key envelope and method of making the same,申请号US19280273421-传众专利搜索

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发明名称	Key envelope and method of making the same
摘要
申请公布号	US1797199(A)	申请公布日期	1931.03.17
申请号	US19280273421	申请日期	1928.04.27
申请人	WILLIAM H. HOLLAR, JR.;WALTER G. UHLMAN	发明人	PAIGE ARTHUR E.
分类号	A45C11/32	主分类号	A45C11/32
代理机构		代理人
主权项
地址

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