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发明名称
SISTEMA PER RIVELARE DATI NUMERICI TRASMESSI MEDIANTE MODULAZIONE DI UNA PORTANTE
摘要
申请公布号
IT1054431(B)
申请公布日期
1981.11.10
申请号
IT19750030094
申请日期
1975.12.09
申请人
IBM CORP
发明人
分类号
H04L27/38;(IPC1-7):H04L/
主分类号
H04L27/38
代理机构
代理人
主权项
地址
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