SCHILDAUSBAUGESTELL

It is an object of the invention to provide an improved shield-carrying roof support unit which has a linkage for adjusting the elevation of the cap while the pivotal connection between the cap and the shield is constrained to move substantially at right angles to the base frame. The provision of au...

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Bibliographic Details
Main Authors SUESSENBECK HEINRICH, SIEBENHOFER GOTTFRIED
Format Patent
LanguageGerman
Published 25.06.1979
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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