用户登录

未生效 HG/T 22822-2021橡胶工厂废气收集处理设计 规范

未生效 YB/T 4931-2021连铸钢异型坯低倍组织缺陷评级图

未生效 EN IEC 62868-2-3-2021Organic light emitting diode (OLED) light sources for general lighting - Safety - Part 2-3: Particular requirements - Flexible OLED tiles and panels

未生效 EN ISO 10591-2021Building and civil engineering sealants - Determination of adhesion/cohesion properties of sealants after immersion in water (ISO 10591:2021)

未生效 SY/T 7626-2021水基钻井液用降滤失剂 聚合物类

未生效 NB/T 10830-2021大型水轮发电机组主轴锻件技术条件

未生效 NB/T 10719-2021煤炭产量监测主站

未生效 NB/T 10768-2021生物柴油储运操作规范

未生效 EN IEC 62868-1-2021Organic light emitting diode (OLED) Light sources for general lighting - Safety - Part 1: General requirements and tests

未生效 EN IEC 60974-8-2021Arc welding equipment - Part 8: Gas consoles for welding and plasma cutting systems

未生效 NY/T 3939.6-2021甘薯主要病害抗性鉴定技术规程 第6部分：疮痂病

未生效 NY/T 3923-2021农作物品种试验规范 粮食作物

未生效 NY/T 3950-2021植物源性食品中10种黄酮类化合物的测定 高效液相色谱-串联质谱法

未生效 EN 13434-2021Devices to prevent pollution by backflow of potable water - Mechanical disconnector, flow actuated - Family G, Type B

未生效 EN 13760-2021LPG equipment and accessories - Automotive LPG filling system for light and heavy duty vehicles - Nozzle, test requirements and dimensions

未生效 SY/T 7629-2021乙烷输送管道工程技术规范

未生效 EN 12873-2-2021Influence of materials on water intended for human consumption - Influence due to migration - Part 2: Test method for non-metallic and noncementitious site-applied materials

未生效 NB/SH/T 0162-2021石油馏分中碱性氮含量的测定 颜色指示剂法

未生效 QB/T 5649-2021合成革用花纹热转移纸

未生效 JJF(轻工) 159-2021生活用纸及纸制品掉粉率测定仪校准规范

未生效 EN IEC 61788-22-2-2021Superconductivity - Part 22-2: Normal state resistance and critical current measurement - High-Tc Josephson junction

未生效 DB32/T 4184-2021清水混凝土应用技术规程

未生效 SY/T 7620-2021随钻测井资料处理与解释规范

未生效 EN IEC 61753-111-09-2021Fibre optic interconnecting devices and passive components - Performance standard - Part 111-09: Sealed closures - Category S - Subterranean

未生效 BB/T 0087-2021包装材料激光全息定位纸

未生效 NY/T 3954-2021日光温室全产业链管理通用技术要求 西葫芦

未生效 NB/T 10706-2021地热井固井技术规范

未生效 EN IEC 62135-2-2021Resistance welding equipment - Part 2: Electromagnetic compatibility (EMC) requirements

未生效 NY/T 3941-2021粮食中植酸含量的测定 高效液相色谱法

未生效 EN IEC 63182-5-2022Magnetic powder cores - Guidelines on dimensions and the limits of surface irregularities - Part 5: Cylinder-cores