DEVICE FOR FEEDING COMPRESSED AIR TO FILL-UP PIPELINE

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Bibliographic Details
Main Author	MALAKHOV YURIJ V,SU
Format	Patent
Language	English Russian
Published	07.11.1986
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: SU19843845380