PROTECTION SWITCHING DEVICE WITH DETOURING CIRCUIT,申请号JP19890331360-传众专利搜索

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发明名称	PROTECTION SWITCHING DEVICE WITH DETOURING CIRCUIT
摘要
申请公布号	JPH03192931(A)	申请公布日期	1991.08.22
申请号	JP19890331360	申请日期	1989.12.22
申请人	NEC CORP;NEC MIYAGI LTD	发明人	KATO TADAHARU;WAKAO KATSUHIKO
分类号	H04L1/22;H04B1/74	主分类号	H04L1/22
代理机构		代理人
主权项
地址

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