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发明名称
摘要
申请公布号
FR2199236(B1)
申请公布日期
1978.01.13
申请号
FR19730032453
申请日期
1973.09.10
申请人
INTERNAL STANDARD ELECTRIC CORP
发明人
分类号
H04M1/31;(IPC1-7):H04M1/30
主分类号
H04M1/31
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代理人
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