7
Ceramic masses being parts of motors; Ceramic tips [tools for machines]; Ceramic tools for machines
17
Unprocessed and semi-processed ceramic materials (insulating materials), not adapted for a specific use, included in this class; Synthetic and composite materials with ceramic components (insulating materials); Insulation materials made of synthetic and composite materials with ceramic components; Films, rods and panels made of synthetic and composite materials with ceramic components being heat and/or corrosion-resistant structural parts (insulating materials); Electrical ceramic insulators; Heat resistant coatings in the form of ceramic plates; Ceramic parts for insulation in high frequency apparatus; Fabrics woven from ceramic fibres for use as insulation
19
Refractory ceramic masses; Ceramic refractory workpieces; Ceramic shapes for use in refractory furnaces; Clay (Potters' -) [raw material]; Ceramic semi-finished goods; Films, rods and panels made of synthetic and composite materials with ceramic components being heat and/or corrosion-resistant structural parts
42
Scientific and technological services in the field of development of ceramic materials and technical ceramics