4. F - Mech Eng,Light,Heat,Weapons
  5. 16
  6. L

John W. Mcgivery

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

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Inventor

Country: Canada

Excavation system and method

E - Fixed Constructions – 01 – C
Patent

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Method and device for plugging a gas main

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

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Method and device for plugging a gas main

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

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Service tee cutting apparatus and abandonment method

B - Operations – Transporting – 26 – D
Patent

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Method and device for plugging a gas main

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

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Profile ID: LFCA-PAI-P-1756691

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