Printing mechanism for accounting machines,申请号US19280247771-传众专利搜索

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发明名称	Printing mechanism for accounting machines
摘要
申请公布号	US1921453(A)	申请公布日期	1933.08.08
申请号	US19280247771	申请日期	1928.01.19
申请人	THE TABULATING MACHINE COMPANY	发明人	CARROLL FRED M.
分类号		主分类号
代理机构		代理人
主权项
地址

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