JB/T 3270-1991 Technical Specifications for the Dimensions of the Main Circuit Contacts of Narrow-Gauge Industrial and Mining Electric Motors

GB/T 1.1-2000 Directives for standardization—Part 1:Rules for the structure and drafting of standards (ISO/IEC Directives, Part 3,1997,Rules for the structure and drafting of international standards, NEQ) GB/T 1.1-2009 Directives for standardization—Part 1:Structure and drafting of standards GB/T 1.1-2020 Directives for standardization—Part 1:Rules for the structure and drafting of standardizing documents GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications 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 YB/T 145-1998 Steel tubes--Measurement method of sizes of standard artificial defect for flaw detection YB/T 145-2013 The method for measuring the size of artificial defects on comparison specimens for steel pipe flaw detection