34099 ⎘
Chemical, physical or physico-chemical processes in general; Their relevant apparatus; Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components of enamel
Process and apparatus for production of granular polycrystalline silicon
#2Use of compositions containing silicon for improving the corrosion resistance of vessels
#3Drainage assembly with upward opening and flat seat without retention areas for enameled chemical reactor
#4Double-cone mixer with baffles
#5Baffle secured at a distance from the inner wall of a glass-lined container by means of a local connection