4. F - Mech Eng,Light,Heat,Weapons
  5. 04
  6. D

Anatoly M. Kochnev

F - Mech Eng,Light,Heat,Weapons – 04 – D

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Inventor

Country: Ussr

Articulated coupling

E - Fixed Constructions – 21 – B
Patent

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Bottom-hole multistart screw motor

F - Mech Eng,Light,Heat,Weapons – 04 – D
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Helical down-hole machine

E - Fixed Constructions – 21 – B
Patent

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Hinge joint of bottom-hole helical planetary hydraulic machine

E - Fixed Constructions – 21 – B
Patent

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Multistart helical rotor mechanism

F - Mech Eng,Light,Heat,Weapons – 01 – C
Patent

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Rotor of a screw hydraulic downhole motor, method for its...

F - Mech Eng,Light,Heat,Weapons – 04 – D
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Profile ID: LFCA-PAI-P-559137

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