4. E - Fixed Constructions
  5. 21
  6. B

Gerhard Heidemann

E - Fixed Constructions – 21 – B

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Country: Germany

High-pressure sealing means for longitudinally movable parts...

E - Fixed Constructions – 21 – B
Patent

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Locking device for a tool with telescopically displaceable...

E - Fixed Constructions – 21 – B
Patent

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Mechanical jarring devices for use in drilling

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1182899

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