APPARATUS FOR PREVENTING MECHANICAL DAMAGE OF FLEXIBLE VENTILATION PIPELINE AT VENTILATION DEVICE STARTING

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Bibliographic Details
Main Authors KONDRATSKIJ SERGEJ V,SU, MEDVEDEV BORIS ,SU, KONDRATSKIJ VADIM L,SU
Format Patent
LanguageEnglish
Published 07.10.1980
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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Bibliography:Application Number: SU19782632840