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

Roger F. Masse

E - Fixed Constructions – 21 – F

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Inventor

Country: Canada

Drill head with integral impact hammers

E - Fixed Constructions – 21 – B
Patent

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Sleigh-shaped device for mining raises

E - Fixed Constructions – 21 – F
Patent

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Drill head with integral impact hammers

E - Fixed Constructions – 21 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Sleigh-shaped device for mining raises

E - Fixed Constructions – 21 – F
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-1558705

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