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发明名称
PERFEZIONAMENTO RELATIVO ALLE STRISCE ORIZZONTALI DEI PERMUTATORI DI CENTRALI TELEFONICHE
摘要
申请公布号
IT8867399(D0)
申请公布日期
1988.05.02
申请号
IT19880067399
申请日期
1988.05.02
申请人
TRUCCO S.P.A.
发明人
FELICE TRUCCO
分类号
H04M
主分类号
H04M
代理机构
代理人
主权项
地址
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