Telephone subscriber's individual switches operated in hunting operations on both incoming and outgoing calls to complete connections,申请号US19450591703-传众专利搜索

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发明名称	Telephone subscriber's individual switches operated in hunting operations on both incoming and outgoing calls to complete connections
摘要
申请公布号	US2508646(A)	申请公布日期	1950.05.23
申请号	US19450591703	申请日期	1945.05.03
申请人	CLARENCE MARBLE	发明人	MARBLE CLARENCE
分类号	H04Q3/42	主分类号	H04Q3/42
代理机构		代理人
主权项
地址

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