GB/T 20671.3-2020.Classification system and test methods for nonmetallic gasket materials-Part 3 :Standard test method for fluid resistance of gasket materials.1范围GB/T 20671的本...
GB/T 38884-2020.High temperature stainless steels for bearing.1范围GB/T 38884规定了高温不锈轴承钢的分类与代号、订货内容、尺寸、外形、重量、技术要求...
GB/T 38936-2020.High temperature carburizing steel for bearing.1范围GB/T 38936规定了高温渗碳轴承钢的订货内容、尺寸、外形、重量、技术要求、试验方法、...
GB/T 38886-2020.High temperature bearing steel.1范围GB/T 38886规定了高温轴承钢的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装...
GB/T 38885-2020.General specification for ultra-high cleanliness of high carbon chromium bearing steel.1范围GB/T 38885规定了超高洁净高碳铬轴承钢的订货内容、尺寸...
GB/T 38907-2020.Water saving enterprises-Polysilicon industry.1范围GB/T 38907规定了多晶硅行业节水型企业评价的术语和定义、评价指标体系及要求。GB/T 3...
GB/T 38966-2020.Assessment requirements for water stewardship.1范围GB/T 38966规定了组织开展可持续水管理的相关术语和定义、总则和评价要求。GB/T 38966适用...
GB/T 38895-2020.Non-destructive testing-Guidelines for electromagnetic acoustic transducers ( EMATs).1范围GB/T 38895规定了超声检测用电磁声换能器性能测试与检验的...
GB/T 38896-2020.Non-destructive testing-Integrated non-destructive testing-General principles.1范围GB/T 38896规定了对材料及工件进行集成无损检测的一般原则。G...
GB/T 14598.301-2020.Technical requirements for power system continuous recorder.1范围GB/T 14598的本部分规定了电力系统连续记录装置(以下简称装置)的技术要求...
