GB/T 19934.1-2021.Hydraulic fluid power-Fatigue pressure testing of metal pressure-containing envelopes-Part 1: Test method.1范围GB/T 19934的本部分规定了在连续稳定且具...
GB/T 39926-2021.Hydraulic fluid power-Filter element test methods-Thermal conditioning and cold startup simulation.1范围GB/T 39926规定了液压滤芯热工况及模拟在移动液...
GB/T 17888.2-2020.Safety of machinery-Permanent means of access to machinery-Part 2: Working platforms and walkways.1范围GB/T 17888.2规定了作为固定式机器组成部分的无...
GB/T 39953-2021.5-axis simultaneous machining center-Testing of the accuracy for RTCP.1范围GB/T 39953规定了五轴联动加工中心的RTCP精度的检验要求、检验方法以及...
GB/T 39967-2021.5-axis simultaneous machining center- Accuracy of S-shaped test piece.1范围GB/T 39967规定了五轴联动加工中心S形试件几何定义、毛坯定义、加工、...
GB/T 39906-2021.Requirements on brand management.1范围GB/T 39906确立了品牌管理的原则,并规定了品牌管理的组织和资源、品牌战略、品牌管理策划和实施...
GB/T 39802-2021.Technical requirements for thermal insulation material of urban heat-supplying.1范围GB/T 39802规定了城镇供热中用于介质温度不大于350 °C的蒸汽和介...
GB/T 39747-2021.Code of practice for the safe use of supported elevating work platform.1范围GB/T 39747规定了举升式升降工作平台(以下简称举升平台)的运输、移交...
GB/T 39757-2021.Building construction machinery and equipment-Code of practice for the safe use of concrete pumps and mobile concrete pumps with placing boom.1范围GB/T 39757规定了...
GB/T 39857-2021.Specification of photovoltaic power generation efficiency.1范围GB/T 39857规定了光伏发电站系统能效、光伏发电单元能效、光伏组件效率、光伏...
