Public communication system comprising distributed stations, and station and sub-station for use in such a communication system,申请号US19900474966-传众专利搜索

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发明名称	Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
摘要
申请公布号	US4980912(A)	申请公布日期	1990.12.25
申请号	US19900474966	申请日期	1990.02.01
申请人	U.S. PHILIPS CORPORATION	发明人	WELMER, HARM J.
分类号	H04H1/00;H04N7/16;H04N7/167	主分类号	H04H1/00
代理机构		代理人
主权项
地址

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