ANORDNING FOR STYRING AV ET BOREVERKTOEY OG/ELLER ET ROER

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Bibliographic Details
Main Authors COLTMAN, TREVELLYN MOELLER, PREVEDEL, BERNARD, FLETCHER, ALFRED ERIC WALTER
Format Patent
LanguageNorwegian
Published 12.04.1989
Edition4
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Bibliography:Application Number: NO19890000639