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发明名称
DISPOSITIVO DI BLOCCAGGIO DI ELETTROPOMPE SOMMERSE A QUALSIASI PROFONDITA' IN POZZI TRIVELLATI.
摘要
申请公布号
IT8221229(D0)
申请公布日期
1982.05.13
申请号
IT19820021229
申请日期
1982.05.13
申请人
SERAFINI EDOARDO
发明人
EDOARDO SERAFINI
分类号
E03B;(IPC1-7):E03B/
主分类号
E03B
代理机构
代理人
主权项
地址
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