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經(jīng)營范圍: 油管、 套管、 石油、
氣密扣油管互換接箍API5CT套管接箍尺寸:4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16, 18-5/8, 20"螺紋種類:Short Round-Thread Casing (STC)Long Round-Thread Casing (LC)Buttress Thread Casing (BC)鋼級:H-40, J-55, K-55, L-80, N-80, C-90, T-95, P-110, L80-13CR,Super-13CR.
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