4. F - Mech Eng,Light,Heat,Weapons
  5. 42
  6. D

John Dewar

F - Mech Eng,Light,Heat,Weapons – 42 – D

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Downhole seal

E - Fixed Constructions – 21 – B
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Downhole seal

E - Fixed Constructions – 21 – B
Patent

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Method of rock blasting

F - Mech Eng,Light,Heat,Weapons – 42 – D
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Sealing assembly

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-933451

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