AMPLITUDE RANGE CONTROL AND SIGNAL TRANSMISSION SYSTEM,申请号CAD427711-传众专利搜索

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发明名称	AMPLITUDE RANGE CONTROL AND SIGNAL TRANSMISSION SYSTEM
摘要
申请公布号	CA427711(A)	申请公布日期	1945.05.22
申请号	CAD427711	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES	发明人	SUMMER BISBEE
分类号		主分类号
代理机构		代理人
主权项
地址

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