五、防尘设备

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　　1975年，山东省建材机械厂开始生产。产品有C型6#水泥除尘器、DF4
#除尘器、7#右旋卧式水膜除尘器和CT531卧式水膜除尘器，均为试制产
品，未能形成批量生产。