GB/T 39829-2021.Tool storage with automatic tool changer-Reliability test method. 1范围 GB/T 39829规定了刀库和自动交换装置(以下简称刀库)进行功能可靠性试验的一般要求.试验方法和可靠性评定。 GB/T 39

GB/T 39799-2021.Dimensions , shape , weight and tolerances of titanium and titanium alloy bars and wires. 1范围 GB/T 39799规定了钛及钛合金棒材和丝材的截面形状、尺寸和允许偏差、外形及

GB/T 39849-2021.Non-destructive testing instruments-Ultrasonic time-of-flight diffraction instrument- Methods of performance tests. 1范围 GB/T 39849规定了超

GB/T 34078.3-2021.General specification of electronic government common platform based on cloud computing-Part 3: Service management. 1范围 GB/T 34078的本

GB/T 34080.3-2021.Security specification of electronic government common platform based on cloud computing-Part 3 :Service security. 1范围 GB/T 34080的本部

GB/T 39956.1-2021. Pneumatic fluid power-Electro-pneumatic pressure control valves-Part 1: Main characteristics to include in the supplier's literatur

GB/T 39961-2021.Ball screw assembly-Dimension of shaft-end type screw. 1范围 GB/T 39961规定了公称直径16 mm~100 mm.负荷滚珠圈数不大于5圈的滚珠丝杠副支承结构型式和尺寸。 GB/T 39961适用于机床及其

GB/T 34079.5-2021.Service specification of electronic government common platform based on cloud computing- Part 5 : Mobility service. 1范围 GB/T 34079的本

GB/T 34079.2-2021.Service specification of electronic government common platform based on cloud computing一Part 2: Application deployment and data migr

GB/T 20385.1-2021.Textiles-Determination of organotin compounds-Part 1 : Derivatisation method using GC-MS. 1范围 GB/T 20385.1规定了采用衍生化气相色谱-质谱法(GC-MS)测定纺