Talking moving picture system,申请号US19280316238-传众专利搜索

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发明名称	Talking moving picture system
摘要
申请公布号	US1850130(A)	申请公布日期	1932.03.22
申请号	US19280316238	申请日期	1928.10.31
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	GANNETT DANFORTH K.
分类号	H04S3/00	主分类号	H04S3/00
代理机构		代理人
主权项
地址

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