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保定茌平断桥隔热

共有 1 保定茌平断桥隔热 厂家,在铝云汇发布了 7 保定茌平断桥隔热 产品信息。
南山断桥铝门窗水密性、气密性良好,均达到了国家A1类窗标准,它的热传导系数K值为3W/m2?K以下,比普通门窗热量散失减少一半,降低取暖费用30%左右,隔声量达29分贝以上。断桥铝门窗
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