JPH0466992B

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Bibliographic Details
Main Authors KAMO MOICHI, ANZAI YOSHIRO
Format Patent
LanguageEnglish
Published 26.10.1992
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: JP19860127810