K55/J55 Casing Nipple X Nipple Od13-3/8" 68ppf BTC Pin X PIn
L80-13CR Casing Nipple X Nipple Od13-3/8" 68ppf BTC Pin X PIn
N80/L80 Casing Nipple X Nipple Od13-3/8" 72ppf BTC Pin X PIn
P110 Casing Nip...TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO., LTD
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