Facsimile recording amplifier,申请号US19530330341-传众专利搜索

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发明名称	Facsimile recording amplifier
摘要
申请公布号	US2794913(A)	申请公布日期	1957.06.04
申请号	US19530330341	申请日期	1953.01.08
申请人	THE WESTERN UNION TELEGRAPH COMPANY	发明人	WORTHEN GEORGE B.
分类号	H04N1/403	主分类号	H04N1/403
代理机构		代理人
主权项
地址

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