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【0304】研磨用材料及其制剂
研磨<span class='red'>砂</span> C030035研磨用刚玉<span class='red'>砂</span> C030034玻璃<span class='red'>砂</span>(研磨用)
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【0623】矿石,矿砂
黄铁矿<span class='red'>砂</span>
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【1907】非金属耐火材料及制品
C190015耐火<span class='red'>砂</span>
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【1902】土,沙,石,石料,灰泥,炉渣等建筑用料
190166<span class='red'>砂</span>(铸造砂除外)
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【1110】消毒和净化设备
110147饮用水<span class='red'>过滤器</span> 110124水<span class='red'>过滤器</span> 水处理<span class='red'>过滤器</span> 家用水龙头<span class='red'>过滤器</span> 110380水过滤装置用<span class='red'>过滤器</span> 110381水处理用反渗透膜<span class='red'>过滤器</span>
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【1106】干燥、通风、空调设备(包括冷暖房设备),气体净化设备
110011空调用<span class='red'>过滤器</span> 抽气机罩用<span class='red'>过滤器</span> 空调用空气<span class='red'>过滤器</span>
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【4214】提供测试服务
<span class='red'>过滤器</span>测试
共15条