GB 13544-2011烧结多孔砖和多孔砌块 国家标准 中国标准出版社
US$9.92
- 库存: 100
- 模型: 10046227126073
- 重量: 0.04kg
- 尺寸: 0.10cm x 0.10cm x 0.10cm
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