Improvements in printing punch mechanism,申请号GB19290020113-传众专利搜索

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发明名称	Improvements in printing punch mechanism
摘要
申请公布号	GB334653(A)	申请公布日期	1930.09.11
申请号	GB19290020113	申请日期	1929.07.01
申请人	ACCOUNTING AND TABULATING MACHINE CORPORATION	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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