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See Chinese contents: DB13/T 1239-2010 DB13/T 1239-2010: Drilling rig and drilling machinery general technical conditions
This document specifies the general technical specifications that shall be followed by down-the-hole drilling rigs and drilling machinery products. The content includes the terms and definitions, model naming requirements, safety requirements, general technical requirements, test methods, inspection rules, and the requirements for marking, packaging, transportation and storage of this type of machinery products. This Standard is applicable to down-the-hole drilling rigs and drilling machinery products produced within Hebei Province.
