用户登录

未生效 ARMY MIL-C-50912 (1)-1973CARTRIDGE, 152MM: CANISTER, M625A1, LOADING, ASSEMBLING AND PACKING

未生效 GM/T 0103-2021随机数发生器总体框架

未生效 EN IEC 61300-3-7-2021Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-7: Examinations and measurements - Wavelength dependence of attenuation and return loss of single mode components

未生效 DB32/T 4116-2021里氏硬度计法建筑结构钢抗拉强度现场检测技术规程

未生效 YS/T 1459-2021铜冶炼副产品锑酸钠

未生效 NB/T 10732-2021煤基烧烤炭

未生效 EN IEC 61076-3-122-2021Connectors for electrical and electronic equipment - Product requirements - Part 3-122: Detail specification for 8-way, shielded, free and fixed connectors for I/O and data transmission with frequencies up to 500 MHz and current-carrying capacity in industrial environments

未生效 JJF 1925-2021低频电压表校准规范

未生效 NB/T 10734-2021煤炭可控源音频大地电磁测深法技术规程

未生效 EN 50527-2-3-2021Procedure for the assessment of the exposure to electromagnetic fields of workers bearing active implantable medical devices - Part 2-3: Specific assessment for workers with implantable neurostimulators

未生效 EN 17477-2021Algae and algae products - Identification of the biomass of microalgae, macroalgae, cyanobacteria and Labyrinthulomycetes - Detection and identification with morphological and/or molecular methods

未生效 EN IEC 60794-1-31-2021Optical fibre cables - Part 1-31: Generic specification - Optical cable elements - Optical fibre ribbon

未生效 EN ISO 6888-2-2021Microbiology of the food chain - Horizontal method for the enumeration of coagulase-positive staphylococci (Staphylococcus aureus and other species) - Part 2: Method using rabbit plasma fibrinogen agar medium (ISO 6888-2:2021)

未生效 YS/T 1461-2021铋黄化学分析方法铋含量的测定Na2EDTA容量法

未生效 JJF(电子) 0061-2021半导体直流参数验证件校准规范

未生效 YS/T 1467.12-2021铪化学分析方法第12部分：痕量杂质元素的测定

未生效 JC/T 2629-2021秸秆复合墙板

未生效 HG/T 5938-2021腐植酸肥料中氯离子含量的测定自动电位滴定法

未生效 EN 15784-2021Animal feeding stuffs: Methods of sampling and analysis - Detection and enumeration of Bacillus spp. used as feed additive

未生效 SY/T 7618-2021控压钻井作业规程

未生效 EN IEC 61914-2021Cable cleats for electrical installations

未生效 EN 3-8-2021Portable fire extinguishers - Part 8: Requirements for the construction, pressure resistance and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar, which comply with the requirements of EN 3-7

未生效 EN IEC 60938-2-2021Fixed inductors for electromagnetic interference suppression - Part 2: Sectional specification on power line chokes

未生效 GM/T 0109-2021基于云计算的电子签名服务技术要求

未生效 YS/T 426.6-2021锑铍芯块化学分析方法第6部分:氧化铍含量的测定电感耦合等离子体原子发射光谱法

未生效 DB32/T 4110-2021老年公寓模块化设计标准

未生效 GB 55008-2021混凝土结构通用规范

未生效 EN IEC 62271-213-2021High-voltage switchgear and controlgear - Part 213: Voltage detecting and indicating system

未生效 EN IEC 61757-5-1-2021Fibre optic sensors - Part 5-1: Tilt measurement - Tilt sensors based on fibre Bragg gratings

未生效 JJF 1097-2021平尺校准规范