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发明名称
摘要
申请公布号
FR2135008(A6)
申请公布日期
1972.12.08
申请号
FR19720014142
申请日期
1972.04.21
申请人
MODERN TELEPHONES LTD
发明人
分类号
H04M1/2745;(IPC1-7):H04Q3/00;H04M1/00
主分类号
H04M1/2745
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