Time-delay relay circuits,申请号US19490111030-传众专利搜索

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发明名称	Time-delay relay circuits
摘要
申请公布号	US2559508(A)	申请公布日期	1951.07.03
申请号	US19490111030	申请日期	1949.08.18
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	MEIER EDWIN H.
分类号	G01V1/24;H03K17/288	主分类号	G01V1/24
代理机构		代理人
主权项
地址

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