TELEPHONE SYSTEM,申请号CAD357789-传众专利搜索

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发明名称	TELEPHONE SYSTEM
摘要
申请公布号	CA357789(A)	申请公布日期	1936.05.12
申请号	CAD357789	申请日期
申请人	THE NORTHERN ELECTRIC COMPANY	发明人	WILLIAM F. KAPP
分类号		主分类号
代理机构		代理人
主权项
地址

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