GB/T 39997-2021.Thermoplastic pipework for underground installation at petrol filling stations.1范围GB/T 39997规定了加油站埋地用热塑性塑料复合管道系统的术语和...
GB/T 13297-2021.General rules of packaging , marking and quality certification for precision alloys.1范围GB/T 13297规定了精密合金的包装、标志贮存和质量证明书的...
GB/T 40029-2021.Steel strand for prestressed concrete of LNG.1范围GB/T 40029规定了液化天然气储罐用预应力钢绞线(以下简称“钢绞线")的术语和定义、符号...
GB/T 8361-2021.Ultrasonic testing method for the surface of cold drawn round steel.1范围GB/T 8361规定了冷拉圆钢表面超声检测的检测原理、检测方法、检测人员...
GB/T 14909-2021.Technical guidelines for exergy analysis in energy systems.1范围GB/T 14909规定了能量系统炯分析中炯的计算、炯衡算(烟平衡)、炯分析的评价指...
GB 23238-2021.Boar liquid semen.1范围GB 23238规定了种猪常温精液的质量技术要求、抽样、试验方法、检验规则、标签和随行文件、包装、贮存.运输...
GB/T 40032-2021.Safety requirements of battery swap for electric vehicles.1范围GB/T 40032规定了可换电电动汽车(或简称“车辆")所特有的安全要求、试验方法和...
GB/T 13449-2021.Method for sampling and sample preparation of gold lump ores.1范围GB/T 13449规定了冶金用金块矿取样和制样的要求.取样、制样、试验方法.样品...
GB/T 8130-2021.Erhualian pig.1范围GB/T 8130规定了二花脸猪的品种来源和特性、体型外貌特征、成年体重体尺、生产性能、测定方法及种用基本要求...
GB/T 40010-2021.Technical guidelines for evaluation of energy performance contracting service.1范围GB/T 40010规定了合同能源管理服务的评价原则、评价内容和评价...
