Verfahren zur Verstärkung kleiner elektrischer Spannungen und Ströme.,申请号CHD197412-传众专利搜索

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发明名称	Verfahren zur Verstärkung kleiner elektrischer Spannungen und Ströme.
摘要
申请公布号	CH197412(A)	申请公布日期	1938.04.30
申请号	CHD197412	申请日期	1937.03.25
申请人	WEISS GEORG	发明人	GEORG WEISS
分类号		主分类号
代理机构		代理人
主权项
地址

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