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JJF 050-2009

Chinese Standard: 'JJF 050-2009'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
JJF 050-2009EnglishRFQ ASK Days<=3 Abrasives Rockwell hardness tester calibration specification JJF 050-2009 JJF 050-2009

  SIMILAR Google-Books for your assessment (Full-PDF of JJF 050-2009_English needs to be translated from scratch):
  JJF 1835-2020  JJG 882-2019