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API 5DP Seamless drill pipe2016-12-08 17:08:41 |
line pipe API 5L 8-5/8" X602016-12-08 17:08:41 |
ASTM ST44 seamless steel pipe2016-12-08 17:08:41 |
seamless steel pipe2016-12-08 17:08:41 |
seamless steel pipe2016-12-08 17:08:41 |