PRIVACY TELEPHONE SYSTEM,申请号JP19900008005-传众专利搜索

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发明名称	PRIVACY TELEPHONE SYSTEM
摘要
申请公布号	JPH03211935(A)	申请公布日期	1991.09.17
申请号	JP19900008005	申请日期	1990.01.16
申请人	JAPAN RADIO CO LTD	发明人	YAMABAYASHI MASAAKI
分类号	H04L9/36;H04L9/06;H04L9/14	主分类号	H04L9/36
代理机构		代理人
主权项
地址

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