ROLLER CONE BIT WITH IMPROVED SEAL GLAND DESIGN

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Bibliographische Detailangaben
Hauptverfasser:	PANIGRAHI, AMIYA, K, BLACKMAN, MARK, P, LEFORT, GUY, JAMES
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CYLINDERS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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