Способ измерения малых разностей частот двух колебаний,申请号SU19360197551-传众专利搜索

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发明名称	Способ измерения малых разностей частот двух колебаний
摘要
申请公布号	SU51914(A1)	申请公布日期	1936.11.30
申请号	SU19360197551	申请日期	1936.07.08
申请人	MILSHTEJN V.N.	发明人	MILSHTEJN V.N.
分类号	G01R23/02	主分类号	G01R23/02
代理机构		代理人
主权项
地址

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