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  • DIN 277-2021Areas and volumes in building construction2022-04-01
  • ASTM D4326-2021Standard Test Method for Major and Minor Elements in Coal Ash By X-Ray Fluorescence2022-04-01
  • GB/T 40145-2021化妝品中地索奈德等十一種糖皮質(zhì)激素的測(cè)定 液相色譜/串聯(lián)質(zhì)譜法Determination of 11 glucocorticoi...2022-04-01
  • BS EN ISO 5470-2-2021Rubber- or plastics-coated fabrics. Determination of abrasion resistance. Part 2:Martin...2022-04-01
  • T/ZZB 2246-2021家用和類(lèi)似用途反滲透凈水機(jī)、納濾凈水機(jī)專(zhuān)用加壓泵2022-04-01
  • GB/T 39950-2021LED燈用氧化鋁陶瓷散熱元件Alumina ceramic heat radiating element for LED lamp2022-04-01
  • BS ISO 7432-2021Glass-reinforced thermosetting plastics (GRP) pipes and fittings. Test methods to prove the ...2022-04-01
  • GB/T 40118-2021滑動(dòng)軸承 流體動(dòng)壓和混合潤(rùn)滑條件臺(tái)架試驗(yàn)Plain bearings.Testing under conditions of hydrodynami...2022-04-01
  • AIA/NAS NAS1800-2021Recess, Six Lobe Drive, Internal, Dimensions For Recess And Gages (Rev 5)2022-04-01
  • ASTM D7147-2021Standard Specification for Testing and Establishing Allowable Loads of Joist Hangers2022-04-01
  • NF EN 1254-1-2021Copper and copper alloys - Plumbing fittings - Part 1 : capillary fittings for soldering or...2022-04-01
  • GB/T 16840.2-2021電氣火災(zāi)痕跡物證技術(shù)鑒定方法 第2部分:剩磁檢測(cè)法Technical determination methods for electric...2022-04-01
  • VDI-MT 6602 Blatt 1-2021Project engineer in projects with external team members - Knowledge profile2022-04-01
  • GB/T 40108-2021人文社會(huì)科學(xué)期刊評(píng)價(jià)Evaluation of humanities and social sciences journals2022-04-01
  • ISO 24638-2021Space systems — Pressure components and pressure system integration2022-04-01
  • DIN EN 12206-1-2021Paints and varnishes - Coating of aluminium and aluminium alloys for architectural purpos...2022-04-01
  • GB/T 24619-2021同步帶傳動(dòng) G、H、R、S齒型曲線(xiàn)齒同步帶與帶輪Synchronous belt drives—Curvilinear profile syste...2022-04-01
  • DIN 28154-2021Shaft end for carbon and stainless steel agitators, for rotating mechanical seals - Dimensions2022-04-01
  • DIN 20066-2021Hydraulic fluid power - Hose assemblies - Dimensions, requirements2022-04-01
  • DIN EN IEC 61804-4-2021Devices and integration in enterprise systems - Function blocks (FB) for process cont...2022-04-01
  • DIN EN 60747-16-5-2021Semiconductor devices - Part 16-5: Microwave integrated circuits - Oscillators (IEC 60...2022-04-01
  • DIN EN IEC 61837-2-2021Surface mounted piezoelectric devices for frequency control and selection - Standard ...2022-04-01
  • GB/T 39977-2021水族館用聚甲基丙烯酸甲酯板材通用技術(shù)要求General technical requirements for aquarium poly(meth...2022-04-01
  • BS ISO 4134-2021Meat and meat products. Determination of L-(+)-glutamic acid content. Reference method2022-04-01