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发明名称
Sistema protetor telefônico
摘要
申请公布号
BR9402522(A)
申请公布日期
1996.02.21
申请号
BR1994PI02522
申请日期
1994.06.23
申请人
LANGE JUAN PEDRO
发明人
JUAN PEDRO LANGE
分类号
H02H9/00;H04M1/74;(IPC1-7):H04M1/74
主分类号
H02H9/00
代理机构
代理人
主权项
地址
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