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发明名称
APPARECCHIATURA PER LA COMUNICAZIONE DI SEGNALI DIGITALI
摘要
申请公布号
IT1075616(B)
申请公布日期
1985.04.22
申请号
IT19770019600
申请日期
1977.01.25
申请人
WESTERN ELECTRIC CO
发明人
分类号
H04J3/06;H04L25/30;H04Q11/04;(IPC1-7):H03K/
主分类号
H04J3/06
代理机构
代理人
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