Vorrichtung zum UEberbruecken eines Sprunges im Hangenden

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Bibliographic Details
Main Author STOCK GUENTHER
Format Patent
LanguageGerman
Published 01.10.1951
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Bibliography:Application Number: DE1950G003581