用户登录

未生效 DB33/T 932-2021电子商务企业管理与服务规范

未生效 DB32/T 4118-2021建筑机电工程抗震支吊架技术规程

未生效 TB/T 2175-2021列车尾部侧灯

未生效 EN 12353-2021Chemical disinfectants and antiseptics - Preservation of test organisms used for the determination of bactericidal (including Legionella), mycobactericidal, sporicidal, fungicidal and virucidal (including bacteriophages) activity

未生效 EN 14067-5-2021Railway applications - Aerodynamics - Part 5: Requirements and assessment procedures for aerodynamics in tunnels

未生效 NB/T 10837.1-2021页岩气工厂化作业推荐作法 第1部分：总则

未生效 CEN ISO/TS 23973-2021Liquid chromatography at critical conditions (LCCC) - Chemical heterogeneity of polyethylene oxides (ISO/TS 23973:2020)

未生效 EN 1439-2021LPG equipment and accessories - Procedure for checking transportable refillable LPG cylinders before, during and after filling

未生效 JJF(机械) 1073-2021电力线感应/接触试验发生器校准规范

未生效 JJF(机械) 1067-2021霍尔电流传感器校准规范

未生效 EN ISO 22044-2022Commercial beverage coolers - Classification, requirements and test conditions (ISO 22044:2021)

未生效 ARMY MIL-DTL-14639/8H-2013INSIGNIA, GRADE, FIRST SERGEANT (E-8) U.S. ARMY

未生效 JTG 2112-2021城镇化地区公路工程技术标准

未生效 EN IEC 62271-100-2021High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers

未生效 NY/T 3939.2-2021甘薯主要病害抗性鉴定技术规程 第2部分：茎线虫病

未生效 QB/T 5651-2021工坊啤酒机械糖化一体机

未生效 QB/T 4181-2021琴

未生效 NB/T 10844-2021海相页岩（气）地球化学评价方法

未生效 NY/T 3936-2021土壤调理剂及使用规程 烟气脱硫石膏原料

未生效 BS EN ISO 28921-1-2017Industrial valves — Isolatingvalves for low-temperature applications Part 1: Design, manufacturing and production testing(ISO 28921-1:2013)

未生效 EN ISO 13885-1-2021Gel permeation chromatography (GPC) - Part 1: Tetrahydrofuran (THF) as eluent (ISO 13885-1:2020)

未生效 SAE J2284-2-2016(R)High Speed CAN(HSC)for Vehicle Applications at 250 kbps

未生效 JJF(机械) 1070-2021氧化锌避雷器直流参数测试仪校准规范

未生效 EN ISO 22940-2021Solid recovered fuels - Determination of elemental composition by X-ray fluorescence (ISO 22940:2021)

未生效 EN IEC 62271-215-2021High-voltage switchgear and controlgear - Part 215: Phase comparator used with VDIS

未生效 EN ISO 18589-5-2021Measurement of radioactivity in the environment - Soil - Part 5: Strontium 90 - Test method using proportional counting or liquid scintillation counting (ISO 18589-5:2019)

未生效 JT/T 1375.6-2022公路水运工程施工安全风险评估指南 第6部分：航道工程

未生效 TB/T 3569-2021列控车载设备人机界面（DMI）显示规范

未生效 JJF(电子) 0070-2021表面离子污染度测试仪校准规范

未生效 HJ 1191-2021水质 叠氮化物的测定 分光光度法