国产aaaa级全身裸体精油片_337p人体粉嫩久久久红粉影视_一区中文字幕在线观看_国产亚洲精品一区二区_欧美裸体男粗大1609_午夜亚洲激情电影av_黄色小说入口_日本精品久久久久中文字幕_少妇思春三a级_亚洲视频自拍偷拍

  • BS EN 16480-2016 泵.最小的葉片式水泵效率 Pumps. Minimum required efficiency of rotodynamic water pumps...2023-07-18
  • CNS 2456-5-2020 壓力下給水、排水及排污用塑料配管系統(tǒng)-聚乙烯(PE)-第5部:系統(tǒng)適合度 壓力下給水、排水及排污用塑料配...2023-07-18
  • BS EN 60214-1-2014 抽頭轉(zhuǎn)換開(kāi)關(guān) 性能要求和試驗(yàn)方法 Tap-changers. Performance requirements and test methods...2023-07-18
  • GB 4789.14-2014 食品安全國(guó)家標(biāo)準(zhǔn) 食品微生物學(xué)檢驗(yàn) 蠟樣芽孢桿菌檢驗(yàn)2023-07-18
  • GB 50072-2021 冷庫(kù)設(shè)計(jì)標(biāo)準(zhǔn) Standard for design of cold store2023-07-18
  • DB32/T 3761.33-2021 新型冠狀病毒肺炎疫情防控技術(shù)規(guī)范 第33部分:港口口岸 Technical specification for COVID-2019...2023-07-18
  • BS EN 62561-3-2017 Lightning Protection System Components (Lpsc). Requirements For Isolating Spark Gaps (I...2023-07-18
  • CNAS SC22-2017 實(shí)施有機(jī)產(chǎn)品認(rèn)證的認(rèn)證機(jī)構(gòu)認(rèn)可方案 Accreditation Scheme for Organic Certification Bodies...2023-07-18
  • BS EN ISO 13426-1-2019 土工織物和土工織物相關(guān)產(chǎn)品 內(nèi)部結(jié)構(gòu)結(jié)點(diǎn)的強(qiáng)度 第1部分:土壓力盒 Geotextiles and geotex...2023-07-18
  • DIN EN ISO 4254-7-2019 Agricultural machinery – Safety – Part 7: Combine harvesters, forage harvesters, c...2023-07-18
  • EN 12697-13-2017 Bituminous mixtures. Test methods. Part 13:Temperature measurement2023-07-18
  • HG/T 5851-2021 紡織染整助劑 耐硬水穩(wěn)定性的測(cè)定 Textile dyeing and finishing auxiliaries—Determination ...2023-07-18
  • BS ISO/IEC 14543-5-7-2015 信息技術(shù) 家用電子系統(tǒng)(HES)體系結(jié)構(gòu) 第5-7部分:2類(lèi)和3類(lèi)家用電子系統(tǒng)的資源共享協(xié)同服...2023-07-18
  • HG/T 4207-2011 工業(yè)循環(huán)冷卻水異養(yǎng)菌菌數(shù)測(cè)定 平皿計(jì)數(shù)法 Examination of heterotrophic bacteria in industrial c...2023-07-18
  • EN 61869-6-2016 Instrument transformers - Part 6: Additional general requirements for low-power instrument...2023-07-18
  • ETSI TR 126 914-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-07-18
  • DIN EN 868-10-2019 Packaging for terminally sterilized medical devices - Part 10: Adhesive coated nonwoven ...2023-07-18
  • ASTM A662/A662M-2017 中低溫用碳-錳-硅鋼壓力容器中厚板的規(guī)格 Standard Specification for Pressure Vessel Plate...2023-07-18
  • HG/T 5661-2019 紡織染整助劑產(chǎn)品中鄰苯基苯酚的測(cè)定 Determination of ortho-phenylphenol in textile dyeing and ...2023-07-18
  • BS IEC 63003-2015 利用 IEEE 標(biāo)準(zhǔn) 1505TM高密度、單級(jí)電子測(cè)試要求用普通測(cè)試接口引腳配置圖標(biāo)準(zhǔn) Standard for the...2023-07-18
  • ETSI SR 000 314/2-2018 Intellectual Property Rights (Iprs); Essential, Or Potentially Essential, Iprs Notif...2023-07-18
  • ETSI TS 126 410-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-07-18
  • EN 3745-517-2017 航空航天系列-飛機(jī)用光纖、光纜-試驗(yàn)方法-第517部分:電纜扎帶夾緊試驗(yàn) Aerospace series. Fibres a...2023-07-18
  • HG/T 4435-2012 紡織染整助劑 密度的測(cè)定 Textile dyeing and finishing auxiliaries-Determination of density...2023-07-18