AUSBAU

The advancing mine support system uses units, each with a roof assembly supported above floor supports (1) by telescopic cylinders (3). To ensure stability when used on uneven ground, the cylinders are interconnected by a system of strips giving resilience to the whole unit. This system includes str...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NOCULAK ZYGMUNT, KARMANSKI STANISLAW, DREWNIAK ADOLF, PRETOR WINCENTY, ZYCH HENRYK
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES HETEROCYCLIC COMPOUNDS LARGE UNDERGROUND CHAMBERS METALLURGY MINING ORGANIC CHEMISTRY SHAFTS TUNNELS
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