DE2244911

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Bibliographic Details
Main Authors MARTINKO, MATYAS., VARPALOTA, HU, HAZAI, KAROLY., BUDAPEST, HU, MARTOS. DR., FERENC
Format Patent
LanguageEnglish
Published 20.08.1981
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Bibliography:Application Number: DE19722244911