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发明名称
EINRICHTUNG ZUR REINIGUNG, AUFWEITUNG, REPARATUR UND AUSFLUSSMESSUNG IN BRUNNEN FUER TRINKWASSER UND WASSER FUER BEWAESSERUNGSZWECKE
摘要
申请公布号
DE2757484(A1)
申请公布日期
1978.06.29
申请号
DE19772757484
申请日期
1977.12.22
申请人
LEVONI,CARLO FELICE;LEVONI,GIAN PIERO
发明人
FELICE LEVONI,CARLO;PIERO LEVONI,GIAN
分类号
E03B3/15;E21B33/00;E21B37/08;(IPC1-7):E03B3/15
主分类号
E03B3/15
代理机构
代理人
主权项
地址
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