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  • JIS B1803-2018 傳動(dòng)及輸送用雙節(jié)距滾子鏈 Double-pitch precision roller chains for transmission and conveyors...2024-01-19
  • SAE AS6044B-2018 Fitting,Elbow,90 Degree,Standard And Reducer,Flareless,Precision Type2023-12-18
  • JB/T 13284-2017 精密鍛造壓力機(jī) Precision Froging presses2023-10-29
  • SAE AS6045B-2018 (R) Fitting, Tee, Standard And Reducer, Flareless, Precision Type2023-10-07
  • SAE AS6048B-2018 Fitting, Elbow, 90 Degree, Standard And Reducer, Bulkhead, Flareless, Precision Type2023-09-27
  • ASTM D6300-2019 Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for ...2023-08-05
  • BS 3692-2014 ISO 米制精密六角螺拴、螺釘和螺母規(guī)范 ISO metric precision hexagon bolts, screws and nuts. Speci...2023-07-22
  • ASTM E691-2020 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Te...2023-07-12
  • DIN ISO 22917-2017 Precision superabrasives - Limit deviations and run-out tolerances for grinding wheels w...2023-07-07
  • ASTM E617-2018 Standard Specification for Laboratory Weights and Precision Mass Standards2023-06-12
  • GB/T 33202-2016 發(fā)電機(jī)爪極精密鍛件 工藝編制原則 Precision forgings of generator claw poles-Technological de...2023-05-16
  • AS 5336-2019/AMD.1-2019 Acoustics - Determination of sound power levels and sound energy levels of noise so...2023-05-10
  • DIN CEN/TR 17292-2019 Technical report regarding precision data for standards EN 12720, EN 12721, EN 12722,...2023-04-28
  • GB/T 6973-2005單粒(精密)播種機(jī)試驗(yàn)方法Testing methods of single seed drills(precision drills)2022-06-15
  • GB/T 14313-1993精密硬同軸線及其精密連接器總規(guī)范Rigid precision coaxial lines and their associated precision ...2022-06-10
  • YB/T 4215-2010二極管用冷軋鋼帶Cold rolled precision strip for the lead frame of diode2022-06-10
  • JJG 241-2002精密杯形和U形液體壓力計(jì)Verification Regulation of Precision Liquid Manometer for Cistern and U-t...2022-06-08
  • SJ/T 10452-19933.5mm精密硬同軸線3.5mm rigid precision coaxial line2022-06-05
  • GB/T 13297-1991精密合金包裝、標(biāo)志和質(zhì)量證明書(shū)的一般規(guī)定General rules for packaging, marking and certificatio...2022-06-05
  • GB/T 40729-2021精密齒輪傳動(dòng)裝置疲勞壽命試驗(yàn)方法Fatigue life test method for precision gear transmission...2022-03-14
  • A Newly Proposed Temperature Control Methods of Fuel Gas Shuttle Kiln2020-09-13
  • Effects of Land Management Practices on Soil Water in Southwestern Mountainous Area, China2020-07-08