TRANSMISSION LINE CHANGEOVER SYSTEM,申请号JP19900129810-传众专利搜索

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发明名称	TRANSMISSION LINE CHANGEOVER SYSTEM
摘要
申请公布号	JPH0425246(A)	申请公布日期	1992.01.29
申请号	JP19900129810	申请日期	1990.05.18
申请人	NEC CORP	发明人	TAKAHASHI AKIHIKO
分类号	H04L1/22;H04B1/74;H04B7/005	主分类号	H04L1/22
代理机构		代理人
主权项
地址

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