4. F - Mech Eng,Light,Heat,Weapons
  5. 02
  6. B

Alexandr D. Kostylev

F - Mech Eng,Light,Heat,Weapons – 02 – B

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Air-operated reversible percussive action machine

B - Operations – Transporting – 25 – D
Patent

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Annular air hammer apparatus for drilling wells

B - Operations – Transporting – 25 – D
Patent

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Annular air-hammer apparatus for drilling holes

E - Fixed Constructions – 21 – B
Patent

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Annular air-hammer apparatus for drilling holes

E - Fixed Constructions – 21 – B
Patent

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Clamping attachment to a device for driving rod elements of...

E - Fixed Constructions – 02 – D
Patent

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Method for trenchless replacement of pipeline

F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent

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Profile ID: LFCA-PAI-P-102421

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