Phase measuring instrument,申请号US19370147932-传众专利搜索

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发明名称	Phase measuring instrument
摘要
申请公布号	US2225348(A)	申请公布日期	1940.12.17
申请号	US19370147932	申请日期	1937.06.12
申请人	GENERAL ELECTRIC COMPANY	发明人	MIKELSON WALTER
分类号	G01R25/00	主分类号	G01R25/00
代理机构		代理人
主权项
地址

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