GB/T 27894.2-2011 · Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 2: Measuring-system characteristics and statistics for processing of data · 发布单位:中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
GB/T 6378.4-2008 · Sampling procedures for inspection by variables - Part 4: Procedures for assessment of declared quality levels for mean · 发布单位:中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
GB/T 2828.1-2003 · Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 18134.1-2000 · High-voltage testing techniques with very fast impulses--Part 1:Measuring systems for very fast front overvoltages generated in gas-insulated substations · 发布单位:国家质量技术监督局