GB/T 4974-1989Compressors, rock drilling machines and pneumatic tools--Preferred pressures (English PDF)

GB/T 4974-1989 is the English-translated version of 压缩机、凿岩机械与气动工具优先压力.

GB/T 4974-1989 is the Chinese national standard "Compressors, rock drilling machines and pneumatic tools--Preferred pressures". It is obsolete: it has been replaced by GB/T 4974-2005.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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