PHONOGRAPH RECORDING MACHINE,申请号CAD339717-传众专利搜索

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发明名称	PHONOGRAPH RECORDING MACHINE
摘要
申请公布号	CA339717(A)	申请公布日期	1934.02.27
申请号	CAD339717	申请日期
申请人	THE WESTERN ELECTRIC COMPANY	发明人	RUDOLPH FREDERIC MALLINA
分类号		主分类号
代理机构		代理人
主权项
地址

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