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发明名称
PERFEZIONAMENTI IN O RELATIVI A MO DULATORI
摘要
申请公布号
IT1016130(B)
申请公布日期
1977.05.30
申请号
IT19740051659
申请日期
1974.06.21
申请人
TELETYPE CORP
发明人
分类号
H04L27/12;H04L27/10;(IPC1-7):H04J/
主分类号
H04L27/12
代理机构
代理人
主权项
地址
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