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发明名称
DISPOSITIVO MECCANICO LIMITATORE DELLA DURATA DELLE CONVERSAZIONI TELEFONICHE
摘要
申请公布号
IT7904814(V0)
申请公布日期
1979.04.24
申请号
IT19790004814U
申请日期
1979.04.24
申请人
IMCA ITALIA S.P.A.
发明人
分类号
H04M;(IPC1-7):H04M/
主分类号
H04M
代理机构
代理人
主权项
地址
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