GB/T 11441.2-2011.Laminations for transformers and inductors for use in telecommunication and electronic equipment-Part 2 :Specification for the minimum permeabilities of lamination...
GB 50026-2020.Standard for engineering surveying.1总则1.0.1 为了统一工程测量的技术要求,做到技术先进、经济合理，使工程测量成果满足质量可靠、安...
GB/T 10963.1-2020.Electrical accessories-Circuit-breakers for overcurrent protection for household and similar installations-Part 1: Circuit-breakers for a.c. operation.1范围GB/T ...
GB/T 29169-2012.Petroleum and natural gas industries-Inspection and classification of used drill stem elements.1范围GB/T 29169规定了在用钻柱构件每种检测等级的检测要...
GB 50089-2018.Safety standard for design of engineering of civil explosive materials.1总则1.0.1 为防止和减少生产安全事故,保障人民群众生命和财产安全，促进...
GB/T 8828-2003.Antioxidant 4010NA.1范围GB/T 8828规定了防老剂4010NA的要求、采样、试验方法、检验规则以及标志.包装、运输和贮存。GB/T 8828适用于由...
GB/T 12747.1-2017.Shunt power capacitors of the self-healing type for a. c.systems having a rated voltage up to and including 1 000 V-Part 1 : General-Performance, testing and ratin...
GB 20840.4-2015.Instrument transformers-Part 4 : Additional requirements for combined transformers.1范围GB 20840.4适用于供电气测量仪表和电气保护装置使用、顿率为...
GB/T 8827-2006.Antioxidant PAN.1范围GB/T 8827规定了N苯基-1萘胺(防老剂PAN)的要求、试验方法、检验规则、标志.包装、运输和贮存。GB/T 8827适用于由苯...
GB/T 21421.2-2014.Composite string insulator units for overhead lines with a nominal voltagegreater than 1 000 V一Part 2: Dimensions and characteristics.1范围GB/T 21421的本部分...
