Class 007
Machinery Products
Class 008
Hand Tool Products
Sealing composition for sealing off cracks or leaks in automotive radiators, blocks, or heads.
Class 009
Computer & Software Products & Electrical & Scientific Products
Tools and equipment for detection of cracks in metal castings; dyes, dye remover and developers for detecting cracks in metal castings; plugs and pins for repairing and rebuilding metal castings; and machine and machine tools for repairing and rebuilding metal castings.