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

首頁(yè) > 國(guó)家標(biāo)準(zhǔn)
  • GB/T 9444-2019 鑄鋼鑄鐵件 磁粉檢測(cè) Steel and iron castings-Magnetic particle inspection2023-07-31
  • GB/T 37964-2019 信息安全技術(shù) 個(gè)人信息去標(biāo)識(shí)化指南 Information security technology—Guide for de-identif...2023-07-31
  • GB/T 11616-2013 同步帶傳動(dòng)節(jié)距型號(hào)MXL,XXL,XL,L,H,XH和XXH同步帶尺寸 Synchronous belt drives-Belts with pitch ...2023-07-31
  • GB/T 33639-2017 數(shù)控液壓沖鉆復(fù)合機(jī) CNC hydraulic punching and drilling composite machine for plates2023-07-31
  • GB/T 34155-2017 井岡霉素原藥 Jingangmycin A technical material2023-07-31
  • GB/T 33312-2016 色漆和清漆用漆基 多異氰酸酯樹(shù)脂 通用試驗(yàn)方法 Binders for paints and varnishes--Polyisocyan...2023-07-31
  • GB/T 35902-2018 毛蚶 Ark shell2023-07-31
  • GB/T 5169.19-2022 電工電子產(chǎn)品著火危險(xiǎn)試驗(yàn) 第19部分:非正常熱 模壓應(yīng)力釋放變形試驗(yàn) Fire hazard testing for ele...2023-07-31
  • GB/T 38813-2020 熱軋酸洗鋼板及鋼帶的一般要求 General requirements for hot-rolled pickled steel sheet and str...2023-07-31
  • GB 28645.2-2012 危險(xiǎn)品檢驗(yàn)安全規(guī)范 密封蓄電池 Safety code for inspection of dangerous goods - Nonspillage el...2023-07-31
  • GB/T 36689-2018 設(shè)施管理交底 一般要求 Facility management briefing--General requirements2023-07-31
  • GB/T 50470-2017 油氣輸送管道線路工程抗震技術(shù)規(guī)范 Seismic technical code for oil and gas transmission pipelin...2023-07-31
  • GB 50922-2013 天線工程技術(shù)規(guī)范 Code for technical antenna engineering2023-07-31
  • GB/T 38236-2019 航天光學(xué)遙感器實(shí)驗(yàn)室輻射定標(biāo)方法 Radiometric calibration method for space-borne optical remo...2023-07-31
  • GB/T 39068-2020 品牌價(jià)值評(píng)價(jià) 展覽業(yè) Brand valuation-Exhibition industry2023-07-31
  • GB/T 19532-2018 包裝材料 氣相防銹塑料薄膜 Packaging material-Volatile corrosion inhibiting film2023-07-31
  • GB/T 7717.15-2018 工業(yè)用丙烯腈 第15部分:對(duì)羥基苯甲醚含量的測(cè)定 Acrylonitrile for industrial use- Part 15: Det...2023-07-31
  • GB 10494-2018 鐵路區(qū)間道口信號(hào)設(shè)備技術(shù)條件 Technical specification for crossing signal equipment in wayside...2023-07-30
  • GB/T 22799-2019 毛巾產(chǎn)品吸水性測(cè)試方法 Test method for absorption of towel products2023-07-30
  • GB/T 38897-2020 無(wú)損檢測(cè) 彈性模量和泊松比的超聲測(cè)量方法 Non-destructive testing—Measurement method for...2023-07-30
  • GB/T 37592-2019 中間相炭微球 Carbonaceous mesophase spheres2023-07-30
  • GB 50334-2017 城鎮(zhèn)污水處理廠工程質(zhì)量驗(yàn)收規(guī)范 Code for quality acceptance of m treatment plant engine...2023-07-30
  • GB/T 39853.2-2021 供電系統(tǒng)中的電能質(zhì)量測(cè)量 第2部分:功能試驗(yàn)和不確定度要求 Power quality measurement in power ...2023-07-30
  • GB/T 34910.4-2017 海洋可再生能源資源調(diào)查與評(píng)估指南 第4部分:海流能 Guidelines for marine renewable energy res...2023-07-30