【此为纸质图书】GB/T 13554-2020高效空气过滤器 【2021年暖通新增规范】 【纸质版】
US$15.07
- 库存: 100
- 模型: 10086384850544
- 重量: 0.54kg
- 尺寸: 0.10cm x 0.10cm x 0.10cm
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