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发明名称
PERFEZIONAMENTI AI TAVOLI PER OPE RATORI TELEFONICI
摘要
申请公布号
IT991602(B)
申请公布日期
1975.08.30
申请号
IT19730068531
申请日期
1973.05.25
申请人
CSELT
发明人
OTTAVIO BERTOGLIO
分类号
H04M3/36;H04M15/04;(IPC1-7):G06M/
主分类号
H04M3/36
代理机构
代理人
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地址
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