• HG/T 5907-2021染料副产硫酸铵Ammonium sulphate of dyes by-product2022-04-01
  • BS EN ISO 23162-2021Basic semen examination. Specification and test methods2022-04-01
  • BS EN 1254-2-2021Copper and copper alloys. Plumbing fittings. Compression fittings for use with copper tubes2022-04-01
  • ASTM E3130-2021Standard Guide for Developing Cost-Effective Community Resilience Strategies2022-04-01
  • GB/T 8152.15-2021铅精矿化学分析方法 第15部分：可溶性铅含量的测定 火焰原子吸收光谱法Methods for chemical analys...2022-04-01
  • BS EN 10250-4-2021Open die steel forgings for general engineering purposes. Stainless steels2022-04-01
  • WB/T 1113-2021应急物流数据交换格式Data interchange formats for emergency logistics2022-04-01
  • ISO 18063-2-2021崎岖地形卡车 可见度试验方法及其验证 第2部分：回转崎岖地形可变位移卡车Rough-terrain trucks —...2022-04-01
  • ABNT NBR IEC 60079-6-2017/Amd 1-2021Explosive atmospheres Part 6: Equipment protection by liquid immersion ...2022-04-01
  • DIN EN ISO 12404-2021Soil and waste - Guidance on the selection and application of screening methods (ISO 12...2022-04-01
  • PD ISO/TS 15666-2021Acoustics. Assessment of noise annoyance by means of social and socio-acoustic surveys2022-04-01
  • BS EN ISO 14632-2021Extruded sheets of polyethylene (PE-HD). Requirements and test methods2022-04-01
  • DB33/T 2363.4-2021市域（郊）铁路工程质量验收规范 第4部分：轨道工程Standard for construction quality acceptance of ...2022-04-01
  • ABNT NBR 7187-2021Design of concrete bridges, viaducts and footbridges2022-04-01
  • ISO 1143-2021Metallic materials — Rotating bar bending fatigue testing2022-04-01
  • DIN 19268-2021pH-measurement - pH-measurement of aqueous solutions with pH measuring chains with pH glass el...2022-04-01
  • ASTM D5159-2021Standard Guide for Dusting Attrition of Granular Activated Carbon2022-04-01
  • ASTM E176-2021Standard Terminology of Fire Standards2022-04-01
  • BS EN ISO 3630-3-2021Dentistry. Endodontic instruments. Compactors2022-04-01
  • ASTM G204-2021Standard Test Method for Damage to Contacting Solid Surfaces under Fretting Conditions2022-04-01
  • DB33/T 2369-2021紫薇苗木整形修剪技术规范Technical regulations for shaping and pruning of Lagerstroemia indic...2022-04-01
  • GB/T 40080-2021钢管无损检测 用于确认无缝和焊接钢管（埋弧焊除外）水压密实性的自动电磁检测方法Nondestructive testi...2022-04-01
  • IEC 62530-2021SystemVerilog - Unified Hardware Design, Specification, and Verification Language2022-04-01
  • DIN EN ISO 23343-1-2021Solid biofuels - Determination of water sorption and its effect on durability of ther...2022-04-01
    •  153251   首页 上一页 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 下一页 尾页
    专题列表
    更多专题
    推荐列表