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  • JB/T 8527-2015 金属密封蝶阀 Metallic sealing butterfly valve2024-01-30
  • NF A91-152-2016 Metallic coatings - Porosity tests - Ferroxyl test2024-01-18
  • UL 719 BULLETIN/2-2018 UL Standard For Safety Nonmetallic-Sheathed Cables (Comments Due: August 13, 2018)2024-01-09
  • KS F4770-1-2017 Soundproof panel-Metallic2023-12-21
  • SAE AIR4129A-2019 Metallic Whiskers2023-10-19
  • NAVY QPL-32577 NOTICE 1-2017 Coating System, Nonskid, Metallic Thermal Spray Application2023-10-01
  • DIN 50103-3-2017 Testing of metallic materials - Rockwell hardness test - Part 3: Modified Rockwell scales...2023-08-13
  • BS ISO 7905-3-2019 Plain bearings. Bearing fatigue. Test on plain strips of a metallic multilayer bearing ...2023-08-08
  • DIN 50990-2018 Measurement of coating thickness - Measurement of the area-related mass of metallic layers b...2023-07-28
  • ASTM B825-2019 Standard Test Method for Coulometric Reduction of Surface Films on Metallic Test Samples2023-07-24
  • ASTM F2180-2017金属可植入绞线和电缆规格Standard Specification for Metallic Implantable Strands and Cables...2023-04-18
  • JJG 1047-2009金属努氏硬度计检定规程Metallic Knoop Hardness Testers2022-06-15
  • GB/T 9798-2005金属覆盖层 镍电沉积层Metallic costings-Electrodeposited coatings of nickel2022-06-14
  • SJ/T 10168.3-1991铜铋银合金Metallic heterotype products for vacuum switch tubes-Copper-Bismuth-silver alloy...2022-06-10
  • GB/T 16921-2005金属覆盖层 覆盖层厚度测量 X射线光谱法Metallic coatings-Measurement of coating thickness-X-ra...2022-06-09
  • GB/T 17229-1998大洋多金属结核矿产勘查规程The expertise for oceanic polymetallic nodules survey2022-06-09
  • GB/T 9797-2005金属覆盖层 镍+铬和铜+镍+铬电镀层Metallic coatings-Electroplated coatings of nickel plus chrom...2022-06-08
  • GB/T 25304-2010非血管自扩张金属支架专用要求Specific requirements for non-vascular self-expanding metallic st...2022-06-05
  • DIN EN 1254-7-2021Copper and copper alloys - Plumbing fittings - Part 7: Press fittings for use with metalli...2022-03-31
  • ISO 4524-3-2021Metallic coatings — Test methods for electrodeposited gold and gold alloy coatings — Part 3...2022-03-31
  • GB/T 40793-2021烧结钕铁硼表面涂层Nonmetallic coatings for sintered neodymium iron boron permanent magnets...2022-03-14
  • 污水中金属离子的去除方法2020-09-25
  • 金属铍的应用进展2020-06-12
  • 甲醇汽油应用问题的研究2020-06-12
  • 污水中金属离子的去除方法2020-03-24
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