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发明名称
摘要
申请公布号	DE2120578(A1)	申请公布日期	1972.02.03
申请号	DE19712120578	申请日期	1971.04.27
申请人	HEWLETT PACKARD CO	发明人
分类号	G01R15/09;G06G7/06;(IPC1-7):H04Q9/14	主分类号	G01R15/09
代理机构		代理人
主权项
地址

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