Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
Inventor
active
Excavation roof support
Foot element and cooperable strut element for use in a roof supp
Levelling ram for roof-shield mine support systems
Method and device for monitoring the load on hydraulic powered s
Method and device for moving a shield-type support trestle
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Profile ID: LFUS-PAI-P-130667