GB/T 11441.1-2012.Laminations for transformers and inductors for use in telecommunication and electronic equipment-Part 1 : Mechanical and electrical

GB/T 4596-2012.E-cores for three-phase transformers for use in electronic equipment. 1范围 GB/T 4596规定了电子设备用三相变压器用的E形铁心(以下简称“铁心”)的分类、尺寸、电磁性能、试验方法、检验规则及标

GB/T 21412.4-2013.Petroleum and natural gas industries-Design and operation of subsea production systems-Part 4 : Subsea wellhead and tree equipment.

GB/T 21411.1-2014.Petroleum and natural gas industries-Progressing cavity pump systems for artificial lift一 Part 1: Pumps. 1范围 GB/T 21411.1规定了石油天然气工业人

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RT培司(4-氨基二苯胺)与丙酮缩合而制得的防老剂4010NA. 化学名称:N-异丙基-N'

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，促进经济建设的发展.制定本标准。 1.0.2 GB 5

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求和检测程

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适用于由苯胺与1-萘胺反应所制得的防老剂PAN。 化学名称:N-苯基-1-萘胺 2规范性引用文件 下列

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15Hz~100Hz的新制

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

GB/T 21421.2-2014.Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V一Part 2: Dimensions and characteristi

GB/T 2346-2003.Fluid power systems and components-Nominal pressures. 1范围 GB/T 2346规定了流体传动系统及元件的公称压力系列。 GB/T 2346适用于流体传动系统及元件的公称压力,也适用于其他相关的流体传动标准中压力值的