79062479
Oct 1, 2008
Jan 26, 2010
[ Common metals and their alloys; unwrought and semi-wrought stainless steels and their alloys ]
Metal Goods[ Machines for heat treatment of surfaces; surface nitriding machines; machines for gas nitriding of surfaces ]
MachinerySurface treatment of machined metal pieces, namely, plasma heat treatment of metal, plasma-etching, applying anti-corrosive finishes to metal parts
Treatment of Materials