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发明名称
摘要
申请公布号
FR2251141(B1)
申请公布日期
1978.09.15
申请号
FR19740036907
申请日期
1974.11.07
申请人
INTERNAL STANDARD ELECTRIC CORP
发明人
分类号
H04M9/00;H04Q1/38;(IPC1-7):H04M9/02;H04Q5/06
主分类号
H04M9/00
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