GB/T 28897-2021.Steel-plastic compound pipes and fittings for fluid service.1范围GB/T 28897规定了流体输送用钢塑复合管及管件的分类及代号、订货内容、尺寸...
GB/T 16458-2021.Terminology for abrasives and abrasive products.1范围GB/T 16458界定了磨料磨具领域的一般术语和各种磨料、磨具的名称，并表述了其定义(或...
GB/T 25672-2021.Hammer drill bit and shell hammer drill bit.1范围GB/T 25672规定了电锤钻和套式电锤钻的型式和尺寸、外观和表面粗糙度、位置公差、材料和...
GB/T 24673-2021.Small-size gasoline engine direct-link centrifugal pumps unit.1范围GB/T 24673规定了小型汽油机直联离心泵机组的型式和型号、技术要求、试验方...
AQ/T 4269-2015.Specification of occupational hazards monitoring in the workplace.1范围AQ/T 4269规定了工作场所职业病危害因素检测工作的基本要求、工作程序和...
GB/T 23293-2021.Nitride bonded refractory products and their related mortars.1范围GB/T 23293规定了氮化物结合耐火制品及其配套耐火泥浆的术语和定义、分类和...
GB/T 39985-2021.Titanium-nickel shape memory alloy plate.1范围GB/T 39985规定了钛镍形状记忆合金板材的技术要求、试验方法、检验规则、标志、包装、运输...
GB/T 27800-2021.Determination of the life for static sealing rubber products.1范围GB/T 27800规定了静密封橡胶制品使用寿命的快速预测方法。GB/T 27800适用于预测...
GB/T 40006.2-2021.Plastics- Recycled plastics- Part 2: Polyethylene( PE) materials.1范围GB/T 40006.2规定了聚乙烯再生塑料的分类与命名、要求、试验方法、检验...
GB/T 40006.3-2021.Plastics- Recycled plastics- Part 3 : Polypropylene( PP) materials.1范围GB/T 40006.3规定了聚丙烯再生塑料的分类与命名、要求、试验方法、检验...
