4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Rock or earth bolt or anchor

Erwin Isler

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Arrangement for force transfer between longitudinally stressed m

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent

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Mine wall support anchor

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Torque responsive nut or bolt driving connection – Frangible connection
Patent

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Process, anchoring member, and clamping device for clamping a ro

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Tie rod assembly for rock borehole anchor

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent

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Profile ID: LFUS-PAI-P-837276

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