I-ASTM A333 ASTM A106/A53/API 5L GR.BX46, X52 Q345D, Q345E) 1. Inhloso evamile ipayipi lensimbi engenamthungo ASTM A53 GR.B, inombolo yensimbi: SA53 B, imininingwane: 1/4′-28′, 13.7-7112. mm 2. Ipayipi lensimbi engenamthungo i-ASTM A106 GR.B yokusebenza kwezinga lokushisa eliphezulu, inombolo yensimbi: SA106B, i-spec...
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