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

Jeffrey Robert Fergusson

E - Fixed Constructions – 21 – D

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Inventor

Country: Australia

A rock bolt and method of installing a rock bolt

E - Fixed Constructions – 21 – D
Patent

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Plate for use in support of a mine roof

E - Fixed Constructions – 21 – D
Patent

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Rock bolt and method of forming a rock bolt

E - Fixed Constructions – 21 – D
Patent

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Rock bolting system

E - Fixed Constructions – 21 – D
Patent

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Washer for use in mining

E - Fixed Constructions – 21 – D
Patent

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Plate for use in support of a mine roof

E - Fixed Constructions – 21 – D
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-1693523

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