用户登录

未生效 DB32/T 4113-2021二次供水水池（箱）人工清洗消毒操作规程

未生效 SY/T 5510-2021油田化学常用术语

未生效 HG/T 5944-2021液体C.I.直接红254

未生效 JJF(兵工民品) 0008-2021折射率法冰点仪校准规范

未生效 JJF(湘) 69-2021吸附解析-热导法煤中元素分析仪校准规范

未生效 EN 14373-2021Explosion suppression systems

未生效 NB/T 10841-2021页岩气水平井钻井井下故障复杂预控推荐做法

未生效 YB/T 4929-2021焦炉煤气萘含量的测定气相色谱法

未生效 NB/SH/T 6031-2021润滑剂摩擦性能和润滑寿命的测定 SOT法

未生效 EN 508-1-2021Roofing and cladding products from metal sheet - Specification for self-supporting products of steel, aluminium or stainless steel sheet - Part 1: Steel

未生效 JJF(电子) 0064-2021二极管反向恢复时间测试系统校准规范

未生效 EN ISO 6717-2021In vitro diagnostic medical devices - Single-use containers for the collection of specimens from humans other than blood (ISO 6717:2021)

未生效 JJF(电子) 0056-2021网络实时动态差分接收机校准规范

未生效 JJF(沪苏浙皖) 4002-2021激光标线仪校准规范

未生效 EN 2713-012-2022Aerospace series - Cables, electrical, single and multicore for general purpose - Operating temperatures between -55 °C and 200 °C - Part 012: MNA (1 core), MNB (pair), MNC (3 cores), MND (4 cores), cables family - Silver-plated copper screened (spiral) and jacketed, UV laser printable - Product standard

未生效 NB/T 10823-2021换流变压器绝缘纸板及纸质绝缘成型件X光检测导则

未生效 EN 12697-15-2022Bituminous mixtures - Test methods - Part 15: Determination of the segregation sensitivity

未生效 YS/T 1445.5-2021镍钴铝三元素复合氢氧化物化学分析方法第5部分：硫酸根离子含量的测定硫酸钡比浊法

未生效 EN ISO 24032-2021Soil quality - In situ caging of snails to assess bioaccumulation of contaminants (ISO 24032:2021)

未生效 JJF(轻工) 147-2021自行车盐雾试验箱校准规范

未生效 EN ISO 4307-2021Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for saliva - Isolated human DNA (ISO 4307:2021)

未生效 QX/T 636-2022气候资源评价 气候生态环境

未生效 YS/T 1454-2021乙基黄原酸甲酸乙酯

未生效 YB/T 4937-2021汽车安全带卷簧用热轧钢带

未生效 SC/T 7024-2021罗非鱼湖病毒病监测技术规范

未生效 EN 17617-2021Outdoor candles - Product safety labels

未生效 DB22/T 1571-2022地理标志产品松花砚

未生效 EN ISO 10651-5-2021Lung ventilators for medical use - Particular requirements for basic safety and essential performance - Part 5: Gas-powered emergency resuscitators (ISO 10651-5:2006)

未生效 EN 13286-47-2021Unbound and hydraulically bound mixtures - Part 47: Test method for the determination of California bearing ratio, immediate bearing index and linear swelling

未生效 EN IEC 61753-131-03-2021Fibre optic interconnecting devices and passive components - Performance standard - Part 131-03: Single-mode mechanical fibre splice for category OP - Outdoor protected environment