LINE AUTOMATIC SWITCHING DEVICE,申请号JP19870280909-传众专利搜索

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发明名称	LINE AUTOMATIC SWITCHING DEVICE
摘要
申请公布号	JPH01123532(A)	申请公布日期	1989.05.16
申请号	JP19870280909	申请日期	1987.11.09
申请人	HITACHI LTD	发明人	ANDOU AKEMI
分类号	H04L1/22;H04B1/74;H04L13/00;H04L29/14	主分类号	H04L1/22
代理机构		代理人
主权项
地址

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