电管Threaders
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ASTM A204grA/B/C steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels for pressure vessels | 卖方: 上海katalor实业有限公司 | ASTM A204grA/B/C steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels for pressure vessels AST... |
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ASTM a387gr12钢板/片钢的Cr，Mo，Cr Mo钢 高温高压容器 | 卖方: 上海katalor实业有限公司 | ASTM A387gr12 steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels For high temperature and pre... |
