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发明名称
摘要
申请公布号	NL7110582(A)	申请公布日期	1972.02.02
申请号	NL19710010582	申请日期	1971.07.30
申请人		发明人
分类号	G01R19/155;H04Q1/38;H04Q5/24;H04Q11/02;(IPC1-7):H04M3/30;H04Q1/52	主分类号	G01R19/155
代理机构		代理人
主权项
地址

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