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Boiler Tube A179 A192
ASTM A179——–Standard of American Society for Testing & Materials
inoshandiswa kune chubhu yekupisa inotsinhanisa, condenser uye yakafanana kupisa inotakura michina; Main Giredhi: A179
ASTM A192——-Standard of American Society for Testing & Materials inoshandiswa kune yakakwira pressure min.Wall ukobvu isina musono kabhoni simbi Boiler uye Superheater chubhu;Main Giredhi:A192
