Dictating machine,申请号US19350053396-传众专利搜索

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发明名称	Dictating machine
摘要
申请公布号	US2277208(A)	申请公布日期	1942.03.24
申请号	US19350053396	申请日期	1935.12.07
申请人	C-W-B DEVELOPMENT CO.	发明人	CHENOWETH RAY M.;IRWIN EMMETT M.;HUNTLEY WALTER P.
分类号	G11B25/04	主分类号	G11B25/04
代理机构		代理人
主权项
地址

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