Logarithmischer Rechenschieber in Prismenform,申请号DE1923E031073D-传众专利搜索

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发明名称	Logarithmischer Rechenschieber in Prismenform
摘要
申请公布号	DE494027(C)	申请公布日期	1930.03.17
申请号	DE1923E031073D	申请日期	1923.12.16
申请人	ANNA JOHANNA ENKE GEB. RATHJEN;MARIE AUGUSTE ENKE GEB. HAUPTMANN;EMIL KONRAD ENKE	发明人
分类号	G06G1/04	主分类号	G06G1/04
代理机构		代理人
主权项
地址

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