4. Measuring and testing
  5. Specimen stress or strain, or testing by stress or strain...
  6. Earth stresses

Robin W. Hughes

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Borehole dilatometer intensifier

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Earth stresses
Patent

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Borehole dilatometer with intensifier

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Earth stresses
Patent

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Hydraulic rock breaking tool

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
Patent

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Profile ID: LFUS-PAI-P-925181

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