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丙级单开钢质隔热防火门GFM-1023-d5丙级单开无玻璃钢质隔热防火门GFM-2123-dk5不锈钢大玻璃双开隔热防火门QTFM-2123(甲级)固定钢质隔热防火窗GFC-1824(甲级)乙级钢质隔热双开防火门GFM-2123(乙级)