Inkcazo esemgangathweni ye-ASTM A333 yoMbhobho wentsimbi ongenamthungo kunye neWelded kwiNkonzo yoBubushushu obuphantsi

  • Inkcazo esemgangathweni ye-ASTM A333 yoMbhobho wentsimbi ongenamthungo kunye neWelded kwiNkonzo yoBubushushu obuphantsi
    Inkcazo esemgangathweni ye-ASTM A333 yoMbhobho wentsimbi ongenamthungo kunye neWelded kwiNkonzo yoBubushushu obuphantsi