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See Chinese contents: JB/T 10247-2016 JB/T 10247-2016: Open-Pit Crawler Type Downhole Drills
This Standard specifies the basic parameters, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of open-pit crawler type downhole drills. This Standard is applicable to the open-pit crawler type downhole drills powered by compressed air (hereinafter referred to as products).
