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发明名称	Printed matter for file purposes
摘要
申请公布号	US1788421(A)	申请公布日期	1931.01.13
申请号	US19250035065	申请日期	1925.06.05
申请人	COMMERCIAL REPRODUCING COMPANY	发明人	COOPER FREDERICK C.
分类号	B42D7/00	主分类号	B42D7/00
代理机构		代理人
主权项
地址

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