Способ косвенного измерения длины однородной проводной линии,申请号SU19460002914-传众专利搜索

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发明名称	Способ косвенного измерения длины однородной проводной линии
摘要
申请公布号	SU73761(A1)	申请公布日期	1947.11.30
申请号	SU19460002914	申请日期	1946.01.11
申请人	TRAKHTMAN A.M.	发明人	TRAKHTMAN A.M.
分类号	G01B7/02;G01R31/00;H04B3/46	主分类号	G01B7/02
代理机构		代理人
主权项
地址

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