Paper feed for typewriter billing machines,申请号US19310582379-传众专利搜索

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发明名称	Paper feed for typewriter billing machines
摘要
申请公布号	US2028357(A)	申请公布日期	1936.01.21
申请号	US19310582379	申请日期	1931.12.21
申请人	SHERMAN JOHN Q	发明人	SHERMAN JOHN Q.
分类号	B41J15/12	主分类号	B41J15/12
代理机构		代理人
主权项
地址

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