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ASTM A888 jẹ lilo pupọ ni AMẸRIKA, a ni ifọwọsi UPC ati CISPI301.

ASTM A888 jẹ lilo pupọ ni AMẸRIKA, a ni ifọwọsi UPC ati CISPI301.Iwọn awọn sakani lati 1.5 "-12".——Oṣu Keje 20, Ọdun 2019


Akoko ifiweranṣẹ: Oṣu Keje-20-2019