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聚氨酯夹芯保温板发泡设备的加长改造ＥｎｌａｒｇｅｍｅｎｔＭｏｄｉｆｉｃａｔｉｏｎｏｆＦｏａｍｉｎｇＥｑｕｉｐｍｅｎｔｆｏｒＰｏｌｙｕｒｅｔｈａｎｅＳａｎｄｗｉｓｈＰａｎｅｌ杨现波池贵洲吴维东（开封空分设备厂河南４７５００２）一、项目的提出我厂与外商投...
Polyurethane sandwich insulation board foaming equipment lengthening EnlargementModificationofFoamingEquipmentforPolyurethaneSandwishPanel Yang Xianbo Chi Guizhou Wu Weidong (Kaifeng Air Separation Plant Henan 475002) First, the project put forward I plant and foreign investment ...