GMP

machines and mechanical devices which are comprised of a tank or vessel having continuous piping therein, and in which material is mixed, dried, humidified, cooled or heated, and which serve to manufacture powdery and pasty building materials, medicines, and cellulose derivatives; mixers; and machines and mechanical devices which are comprised of a tank or vessel having continuous piping therein for mixing, drying, humidifying, cooling or heating sludges and dust contained in industrial waste gases