FACILITY FOR AUTOMATIC ADJUSTMENT OF THE WINDLESS DIRECTION

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Bibliographic Details
Main Authors MACH,JAN,CS, MACH,ZBYNEK,CS
Format Patent
LanguageEnglish
Published 28.11.1980
Edition3
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: CS19720004473