76001375
Mar 15, 2000
Jan 29, 2002
Air cleaning apparatus and machines; filters for air cleaning apparatus and machines; air extracting devices for industrial use and filters therefor; welding fume extracting devices for industrial use and filters therefor; dust extracting devices for industrial use and filters therefor; parts and accessories included in this class for air cleaning apparatus and machines; air extracting devices for industrial use, welding fume and dust extracting devices for industrial use
Environmental Control Apparatus