Machine for binding books,申请号US19310536116-传众专利搜索

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发明名称	Machine for binding books
摘要
申请公布号	US1931244(A)	申请公布日期	1933.10.17
申请号	US19310536116	申请日期	1931.05.09
申请人	R. R. DONNELLEY & SONS COMPANY	发明人	ALGER HARLEY C.;FRAZIER PHILIP A.
分类号	B42C9/00	主分类号	B42C9/00
代理机构		代理人
主权项
地址

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