1
Chemicals products for use in industry and science and photography; Chemicals used in analysis, in particular for the non-destructing testing of materials; Matting sprays and anti-reflective agents for application to workpiece surfaces; Contrast paints and developers for non-destructive materials testing; Fluorescent powders and liquids for magnetic particle testing; Magnetic powders and coloured test media for analysis; Leak indicator liquids; Cleaning preparations for industrial purposes, in particular for metallic surfaces
9
Scientific measuring devices for determining the physical and electric properties of materials and workpieces; Electric and electronic devices for material testing, included in class 09; Magnetic powder testing devices for non-destructive materials testing; Hand-held magnets; Electric mobile and stationary crack detecting units; Apparatus for measuring field strength; Hand-held lights, UV lights, endoscopes, microscopes and cameras for industrial purposes; Light measuring apparatus; Safety goggles; Test bodies for calibrating measuring devices; Optical measuring and testing devices for testing materials and workpieces
42
Chemical and physical laboratories for conducting materials and quality testing; Scientific and technical investigations on workpiece surfaces; Equipment and materials testing; Surveying