Electrical testing system,申请号US19450589154-传众专利搜索

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发明名称	Electrical testing system
摘要
申请公布号	US2414456(A)	申请公布日期	1947.01.21
申请号	US19450589154	申请日期	1945.04.19
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	EDSON WILLIAM A.
分类号	G01R31/00	主分类号	G01R31/00
代理机构		代理人
主权项
地址

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