厚板研究

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2025-12-05
[标准]BQB 690-2023 不锈钢碳钢轧制复合厚板
2025-12-05
[标准]BQB 681-2023 合金塑模用钢
2025-12-05
[标准]BQB 680-2023 非合金塑模用钢
2025-12-05
[标准]BQB 670-2023 高硬度防护用钢板
2025-12-05
[标准]BQB 640-2023 管线用厚钢板
2025-12-05
[标准]BQB 617-2023 建筑抗震用低屈服强度厚钢板
2025-12-05
[标准]BQB 616-2023 高强度焊接结构用厚钢板
2025-12-05
[标准]BQB 615-2023 机械结构用碳素厚钢板

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