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API 螺紋油套管接箍 API TUBING AND CASING COUPLING
鋼級Grade
PSL1/PSL2
J55/K55/ N80(Q)/L80(1)/L80(13Cr)/T95/P110(CY)
規格Size
2-3/8”～20”
螺紋類型Thread
EU,NU,LC,SC,BC
