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发明名称
DISPOSITIVO PER IMPEDIRE CHIAMATE NON AUTORIZZATE SU UN TELEFONO A TASTIERA DIGITALE
摘要
申请公布号
ITMI942191(A1)
申请公布日期
1996.04.27
申请号
IT1994MI02191
申请日期
1994.10.26
申请人
CORTELLEZZI PRIMO & C. S.R.L.
发明人
CORTELLEZZI PRIMO
分类号
H04N
主分类号
H04N
代理机构
代理人
主权项
地址
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