접합부 OD 2 3/8 - 4 1/2를 관을 달고 케이스에 넣는 최고 SS 용강유 파이프

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Tubing And Casing Connection H40, J55, K55, N80, L80, C90, C95, T95, P110, Q125, V140, V150, 13Cr, 28Cr, 32Cr, 36Cr Steel tubing connection Steel casing connection Oil pipe connection, Oil pipe pup joint, Oil pipe short joint, Oil pipe shift joint, Oil pipe tool joint, Oil pipe coupling, Oil tubing connection, Oil tubing pup joint, Oil tubing short joint, Oil tubing shift joint, Oil tubing tool joint, Oil tubing coupling, Oil casing connection, Oil casing pup joint, Oil