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发明名称
ELEMENTO PER LA TRASMISSIONE DI SEGNALI NEI CAVI DI TELECOMUNI CAZIONE
摘要
申请公布号
IT1017833(B)
申请公布日期
1977.08.10
申请号
IT19740025886
申请日期
1974.08.02
申请人
IND PIRELLI SPA
发明人
FERRENTINO A
分类号
H01B7/17;C03C25/10;G02B6/44;(IPC1-7):H04N/
主分类号
H01B7/17
代理机构
代理人
主权项
地址
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