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See Chinese contents: JB/T 8550-2011 JB/T 8550-2011: Open-pit crawler rig
This Standard specifies the types and basic parameters, technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of open-pit crawler rigs (hereinafter referred to as drilling rig or the product). This Standard is applicable to the design, manufacture, application and inspection of pneumatic open-pit crawler rigs.
