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发明名称
SISTEMA PER EVITARE IL CONTAGIO NEI TELEFONI E CITOFONI
摘要
申请公布号
IT1225054(B)
申请公布日期
1990.11.02
申请号
IT19880003581
申请日期
1988.09.07
申请人
CAVINI LUCIANO
发明人
LUCIANO CAVINI
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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