DATA COMMUNICATION CHANNEL SWITCHING DEVICE,申请号JP19880085056-传众专利搜索

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发明名称	DATA COMMUNICATION CHANNEL SWITCHING DEVICE
摘要
申请公布号	JPH01258528(A)	申请公布日期	1989.10.16
申请号	JP19880085056	申请日期	1988.04.08
申请人	HITACHI LTD	发明人	TAMURA YOSHIO
分类号	H04L29/10;H04L13/00	主分类号	H04L29/10
代理机构		代理人
主权项
地址

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