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See Chinese contents: MT/T 199-1996 MT/T 199-1996: General specifications for hydraulic drill jumbos for coal mine
This Standard specifies the technical requirements, test methods, inspection rules, marks, packaging, transport and storage for mine hydraulic drilling. This Standard is applicable to mine hydraulic drilling. Mine semi-hydraulic drilling as well as its components such as stand, boom and propeller shall also refer to this Standard for use.
