MULTISERVICE TYPE TELEPHONE RINGER,申请号CAD603425-传众专利搜索

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发明名称	MULTISERVICE TYPE TELEPHONE RINGER
摘要
申请公布号	CA603425(A)	申请公布日期	1960.08.16
申请号	CAD603425	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	WALTER KALIN;GRANT G. LAVERY
分类号		主分类号
代理机构		代理人
主权项
地址

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