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GB/T 39961-2021 滚珠丝杠副支承结构型式尺寸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适用于机床及其他机械...

11/13 2023
GB/T 39956.1-2021 气动电-气压力控制阀第1部分:商务文件中应包含的主要特性GB/T 39956.1-2021. Pneumatic fluid power-Electro-pneumatic pressure control valves-Part 1: Main characteristics to include in the supplier's literatur...

11/13 2023
GB/T 39799-2021 钛及钛合金棒材和丝材尺寸、外形、重量及允许偏差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、外形及重量...

11/13 2023
GB/T 39829-2021 刀库和自动交换装置可靠性试验方法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 39829...

11/13 2023
GB/T 34079.1-2021 基于云计算的电子政务公共平台服务规范第1部分:服务分类与编码GB/T 34079.1-2021.Service specification of electronic government common platform based on cloud computing-Part 1: Service catalog and coding.1范围GB/T 3...

11/13 2023
GB/T 39849-2021 无损检测仪器超声衍射声时检测仪性能测试方法GB/T 39849-2021.Non-destructive testing instruments-Ultrasonic time-of-flight diffraction instrument- Methods of performance tests.1范围GB/T 39849规定了超声衍...

11/13 2023
GB/T 39960-2021 闭式单动机械压力机参数和尺寸GB/T 39960-2021.Straight-sided single-action mechanical power presses-Characteristics and dimensions.1 范围GB/T 39960规定了公称力范围为400 kN~ 10 000 kN的闭式单动机械压力...

11/13 2023
GB/T 34078.4-2021 基于云计算的电子政务公共平台总体规范第4部分:服务实施GB/T 34078.4-2021.General specification of electronic government common platform based on cloud computing- Part 4: Service implement.1范围GB/T 34078的本部分...

11/13 2023
GB/T 34079.4-2021 基于云计算的电子政务公共平台服务规范第4部分:应用服务GB/T 34079.4-2021.Service specification of electronic government common platform based on cloud computing- Part 4: Application service.1范围GB/T 34079的本...

11/13 2023
GB/T 34080.4-2021 基于云计算的电子政务公共平台安全规范第4部分:应用安全GB/T 34080.4-2021.Security specification of electronic government common platform based on cloud computing-Part 4: Application security.1范围GB/T 34080的...

11/13 2023