METHOD OF GAS DRAINAGE OF COAL SEAMS

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Bibliographic Details
Main Author	BAKULIN ANDREJ V,SU
Format	Patent
Language	English Russian
Published	23.06.1991
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: SU19894683860