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发明名称
摘要
申请公布号
FR2127326(A5)
申请公布日期
1972.10.13
申请号
FR19710007440
申请日期
1971.03.04
申请人
ASS OUVRIERS INSTR PRECI
发明人
分类号
H04Q3/00;(IPC1-7):H04M3/00
主分类号
H04Q3/00
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