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发明名称
Fleksibel skjöt
摘要
申请公布号
NO177941(B)
申请公布日期
1995.09.11
申请号
NO19920000895
申请日期
1992.03.06
申请人
LTV ENERGY PRODUCTS COMPANY
发明人
WHIGHTSIL SR., GARY L.;MOSES, CHARLES J.
分类号
E21B17/08;F16L27/103;F16L27/111;(IPC1-7):E21B17/02;F16L27/10
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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