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发明名称
DISPOSITIVO MECCANICO LIMITATORE DELLA DURATA DELLE CONVERSAZIONI TELEFONICHE
摘要
申请公布号
IT1112715(B)
申请公布日期
1986.01.20
申请号
IT19790022110
申请日期
1979.04.24
申请人
IMCA ITALIA SPA
发明人
分类号
H04M1/21;H04M1/667;H04M15/02;H04M15/30;(IPC1-7):H04M/
主分类号
H04M1/21
代理机构
代理人
主权项
地址
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