A DATA COMMUNICATION SYSTEM,申请号GB19700000128-传众专利搜索

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发明名称	A DATA COMMUNICATION SYSTEM
摘要
申请公布号	GB1245371(A)	申请公布日期	1971.09.08
申请号	GB19700000128	申请日期	1970.01.01
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	H04J3/24;H04L5/22;H04L12/423;H04Q11/04	主分类号	H04J3/24
代理机构		代理人
主权项
地址

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