GB/T 2626-1992 General technical requirements for self-inhalation filtertype dust respirator

GB 2626-1981

GB 2626-2006 Respiratory protective equipment—Non-powered air-purifying particle respirator

GB/T 2428-1998 Head-face dimensions of adults GB/T 2428-2024 Head-face dimensions of adults 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 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.2-2008 Sampling procedures for inspection by attributes—Part 2:Sampling plans indexed by limiting quality(LQ)for isolated lot inspection GB/T 2828.3-2008 Sampling procedures for inspection by attributes—Part 3:Skip-lot sampling procedures GB/T 2828.4-2008 Sampling procedures for inspection by attributes—Part 4:Procedures for assessment of declared quality levels GB/T 2828.5-2011 Sampling procedures for inspection by attributes—Part 5:System of sequential sampling plans indexed by acceptance quality limit(AQL)for lot-by-lot inspection GB/T 2828.10-2010 Sampling procedures for inspection by attributes—Part 10:Introduction to the GB/T 2828 series of standards for sampling for inspection by attributes GB/T 2828.11-2008 Sampling procedures for inspection by attributes—Part 11:Procedures for assessment of declared quality levels for small population GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 5748-1985 Methods for airborne dust measurement in workplace GB/T 12903-1991 Personal protective equipment terminology GB/T 12903-2008 Personal protective equipment terminology GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability) GB/T 12903-2025 Personal protective equipment terminology