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发明名称
UNTERWASSERWERKZEUG
摘要
申请公布号
DE60103543(D1)
申请公布日期
2004.07.01
申请号
DE20016003543
申请日期
2001.07.12
申请人
BSW LTD., LANCASTER
发明人
EMMETT, ROBERT
分类号
E21B31/20;F16L55/132;(IPC1-7):E21B31/20;E21B33/128;F16L1/16
主分类号
E21B31/20
代理机构
代理人
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