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| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 377X18 | 8020 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 377X20 | 8020 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 377X28 | 8020 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 426X12 | 7370 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 426X14 | 7370 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 426X16 | 7370 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 426X18 | 8020 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 426X20 | 8020 |
| 16Mn無(wú)縫管/16Mn無(wú)縫鋼管 | 426X22 | 8220 |
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