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经营范围
发明名称
ZENTRIERVORRICHTUNG
摘要
申请公布号
DE69212827(T2)
申请公布日期
1997.01.02
申请号
DE19926012827T
申请日期
1992.05.26
申请人
ZWART, KLAAS, ABERDEEN, GB
发明人
ZWART, KLAAS, ABERDEEN, GB
分类号
E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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