现货速发 GB/T 1591-2018 低合金高强度结构钢 代替GB/T 1591-2008 实施日期 2019年10月1日 中国标准出版社 全额支付【PDF 电子版】
US$12.09
- 库存: 100
- 模型: 10086142719667
- 重量: 0.06kg
- 尺寸: 0.10cm x 0.10cm x 0.10cm
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