Счетная машина для умножения,申请号SU19310092425-传众专利搜索

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发明名称	Счетная машина для умножения
摘要
申请公布号	SU42339(A1)	申请公布日期	1935.03.31
申请号	SU19310092425	申请日期	1931.08.01
申请人	SOBIN A.I.	发明人	SOBIN A.I.
分类号	G06C15/08	主分类号	G06C15/08
代理机构		代理人
主权项
地址

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