hat
ASTM A90 / A90M Standard tès metòd pou pwa [Mass] nan rvetman sou Fè ak STEEL Atik ak Zenk oswa Zenk-alyaj Coatings
eng
ASTM A90/A90M Standard test method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings