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7" API 5CT 케이싱2019-09-03 10:40:40 |
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20" API 5CT 케이싱2019-09-03 10:38:50 |
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API 5CT 배관 2-3/8” K552019-09-03 10:31:03 |
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18-5/8 " API 5CT 케이싱2019-09-03 10:39:14 |
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11-3/4” API 5CT 케이싱2019-09-03 10:39:33 |
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7-3/4” API 5CT 케이싱2019-09-03 10:40:01 |