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发明名称
Drive head for a rotary-driven rod assembly, especially for driving a sand pump
摘要
申请公布号
AU1337599(A)
申请公布日期
1999.05.31
申请号
AU19990013375
申请日期
1998.11.02
申请人
NETZSCH-MOHNOPUMPEN GMBH
发明人
GUNTHER HANTSCHK
分类号
E21B43/12;F04B47/02;F04C14/28;F04C15/00
主分类号
E21B43/12
代理机构
代理人
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