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发明名称
摘要
申请公布号	FR2157927(B1)	申请公布日期	1977.04.01
申请号	FR19720037666	申请日期	1972.10.24
申请人	WESTERN ELECTRIC CY INC	发明人
分类号	H04N7/32;H04N5/14;H04N7/36;(IPC1-7):04N7/00	主分类号	H04N7/32
代理机构		代理人
主权项
地址

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