GB/T 38624.1-2020.Internet of things-Gateway-Part 1 : Gateway technology requirements for access of sensing device.1范围GB/T 38624的本部分规定了面向感知设备接入的物...
GB/T 5095.2506-2020.Electromechanical components for electronic equipment-Basic testing procedures and measuring methods-Part 25-6:Test 25f: Eye pattern and jitter.1总则1.1范围和...
GB/T 31396.3-2020.Machine tools-Dimensions and geometric tests for self-centring chucks with two-piece jaws一Part 3: Power-operated chucks with serrated jaws.1范围GB/T 31396的本部...
GB/T 11357-2020.Quality，roughness and balance of transmission pulleys.1范围GB/T 11357规定了带轮的材料、质量要求、表面粗糙度和平衡。GB/T 11357适用于V带轮...
GB/T 13908-2020.General requirements for mineral exploration.1范围GB/T 13908规定了固体矿产地质勘查(以下简称勘查)的基本原则、勘查目的及勘查阶段、勘查...
GB/T 38758-2020.Pneumatic fluid power- Rules of non-ferrous metallic cylinder body.1范围GB/T 38758规定了由有色金属管制成的气缸缸筒的机械性能、尺寸公差、表...
GB/T 3103.3-2020.Tolerances for fasteners- Plain washers.1范围GB/T 3103的本部分规定了公称直径为1 mm~150 mm、产品等级为A.C和F级、用于与螺栓、螺钉、螺柱...
GB/T 4334-2020.Corrosion of metals and alloys-Test methods for intergranular corrosion of austenitic and ferritic austenitic ( duplex) stainless steels.1范围GB/T 4334规定了奧氏...
GB/T 13319-2020.Geometrical product specifications (GPS)-Geometrical tolerancing-Pattern and combined geometrical specification.1范围GB/T 13319为使用位置度、对称度、线轮...
GB/T 1094.15-2020.Power transformers-Part 15: Gas-filled power transformers.1范围GB/T 1094.15规定了充气式电力变压器的术语和定义，使用条件,额定值和一般要...
