Improvements in or relating to recorders,申请号GB19350002530-传众专利搜索

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发明名称	Improvements in or relating to recorders
摘要
申请公布号	GB449410(A)	申请公布日期	1936.06.26
申请号	GB19350002530	申请日期	1935.01.25
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	G07C3/08	主分类号	G07C3/08
代理机构		代理人
主权项
地址

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