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1.88-4.81 Inch Impregnato Diamante Core Bit Per Rock2023-10-10 17:27:19 |
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Stabile pozzo casing tubo per la trivellazione2024-02-04 09:53:23 |
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Aw Bw Nw Hw Hwt Pw Pwt Casing Pipe Wireline Drill Rod Durable2024-02-04 09:51:49 |
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Superficie lucidata a 360 gradi NQ3 HQ HQ3 PQ2023-10-11 16:08:51 |
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Alta resistenza all'usura Conchiglie di diamanti HQ3 PQ PQ32023-10-11 16:05:43 |