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

Robert Koopmans

E - Fixed Constructions – 21 – B

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Details

Inventor

Country: Canada

Borehole dilatometer intensifier

E - Fixed Constructions – 21 – B
Patent

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Borehole dilatometer with intensifier

E - Fixed Constructions – 21 – B
Patent

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Filter system

B - Operations – Transporting – 01 – D
Patent

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Hydraulic rock breaking tool

E - Fixed Constructions – 21 – C
Patent

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Improved filter system

B - Operations – Transporting – 01 – D
Patent

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Borehole dilatometer intensifier

E - Fixed Constructions – 21 – B
Patent

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Borehole dilatometer with intensifier

E - Fixed Constructions – 21 – B
Patent

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Hydraulic rock breaking tool

E - Fixed Constructions – 21 – C
Patent

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Profile ID: LFCA-PAI-P-1121883

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