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发明名称
PERFEZIONAMENTO AD UN DISPOSITIVO ATTO A RITARDARE INIZIALMENTE L APERTURA DEL CONTATTO DI UMBULSI NEI DISCHI COMSINATORI TELEFON FONICI
摘要
申请公布号
IT1046681(B)
申请公布日期
1980.07.31
申请号
IT19730019141
申请日期
1973.01.11
申请人
FACE STANDARD SPA
发明人
MANZONI A
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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