TREA

fishing tools with means for attaching comprising fusing or sticking

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Industry

  • CPC
  • E21B31/007
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B31/00Fishing for or freeing objects in boreholes or wells

Current Industry

E21B31/007fishing tools with means for attaching comprising fusing or sticking
Industries