SOUND RECORDING AND REPRODUCING MACHINE,申请号CAD407233-传众专利搜索

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发明名称	SOUND RECORDING AND REPRODUCING MACHINE
摘要
申请公布号	CA407233(A)	申请公布日期	1942.09.08
申请号	CAD407233	申请日期
申请人	AMERTYPE RECORDGRAPH CORPORATION;RECORDGRAPH CORPORATION;FILM RECORDING CORPORATION	发明人	WILLIAM L. WOOLF
分类号		主分类号
代理机构		代理人
主权项
地址

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