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GB 1321-1977

Chinese Standard: 'GB 1321-1977'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB 1321-1977English199 Add to Cart Days<=2 Optical parts, vacuum coated with outer high-reflection film of aluminum and reinforced by anodic oxidation GB 1321-1977 Obsolete GB 1321-1977

  SIMILAR unprotected-true-PDFs:
  GB/T 4315.2-2009  GB/T 4315.1-2009  GB/T 22062-2020