METHOD FOR CUTTING PHONOGRAPH RECORDS,申请号CAD318309-传众专利搜索

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发明名称	METHOD FOR CUTTING PHONOGRAPH RECORDS
摘要
申请公布号	CA318309(A)	申请公布日期	1931.12.22
申请号	CAD318309	申请日期
申请人	THE RADIO CORPORATION OF AMERICA	发明人	E. JAY QUINBY
分类号		主分类号
代理机构		代理人
主权项
地址

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