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发明名称
摘要
申请公布号
FR2421515(B1)
申请公布日期
1982.03.05
申请号
FR19790005121
申请日期
1979.02.22
申请人
IBM
发明人
分类号
H03M1/66;G06J1/00;H03M1/00;(IPC1-7):03K13/02;06F7/38
主分类号
H03M1/66
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代理人
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