Liquid chemical agents for use as a protective film on surfaces of semiconductor wafers; other chemicals in the nature of industrial chemicals

[ Metalworking machine tools; machines and machine tools for the cutting and forming of materials; computerized production machines and machine tools for the cutting and forming of materials; packing machines; machines for manufacturing and dispensing packing materials; machines for manufacturing containers made of synthetic materials; machines for manufacturing containers of PET plastic materials through the application of a barrier technique against CO2 and O2; extrusion moulding machines f...