Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
Inventor
active
Advance mechanism for a mine roof support assembly
Advance mechanism for a mine roof support assembly
Advance mechanism for a mine roof support unit
Ball-and-socket type connections for use with mining apparatus
Displaceable mine roof support assemblies
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Profile ID: LFUS-PAI-P-13256