Nibihe bipimo bya ANSI, ISO, NA ASTM kubitwara?Ibipimo bya tekiniki, nkibipimo bya ASTM byerekana ibicuruzwa byerekana ibikoresho byo gukoresha, bifasha ababikora gukora ibicuruzwa bihamye.Niba warashakishije ibyuma kumurongo, birashoboka ko wahuye na prod ...
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