148 / | HD | METAL TREATMENT |
95 | DF | PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL {17} |
240 | DF | .~ Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore {12} |
243 | DF | .~.~ Liquid reactive coating composition utilized {16} |
274 | .~.~.~ Contains organic material |