4. Handling: hand and hoist-line implements
  5. Grapple
  6. Well type
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Device for connecting a drill column to a pipe or the like

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Device for storing an angle and the application thereof to the h

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Double hand with a through hole

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Downhole fishing tool

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Downhole retrieval tool

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Downhole well fishing assembly

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Downhole well fishing assembly

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Drill rod retrieval device

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Dry hole wire core barrel apparatus

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Dual string packer mill

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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Dual-purpose remote-control grab for fuel elements and control r

Handling: hand and hoist-line implements – Grapple – Well type
Patent

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