Automatic calculation apparatus,申请号US19370127000-传众专利搜索

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发明名称	Automatic calculation apparatus
摘要
申请公布号	US2193929(A)	申请公布日期	1940.03.19
申请号	US19370127000	申请日期	1937.02.23
申请人	SIEGFRIED LION KURT	发明人	LION KURT SIEGFRIED
分类号	G06G1/00	主分类号	G06G1/00
代理机构		代理人
主权项
地址

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