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发明名称
摘要
申请公布号
FR2211827(B1)
申请公布日期
1978.06.16
申请号
FR19730042247
申请日期
1973.11.27
申请人
OLIVETTI E CO SPA
发明人
分类号
H04L25/04;H04L25/26;(IPC1-7):H04L17/00;B41J29/38
主分类号
H04L25/04
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