76710621
Feb 14, 2012
Mar 26, 2013
Metal mine construction equipment, namely, metal props for roof support, reinforcing materials, namely, metal roofing panel, metal roofing tiles for roof support, metal cribs for roof support; metal mine overcasts, undercasts, stoppings and barricades for the mining industry
Metal GoodsMining equipment, namely, refuge chambers, communication equipment for mines, namely, digital signal processors, computers, transmitters and receivers, electronic proximity sensors, and proximity detectors for the mining industry
Electrical and Scientific ApparatusGas scrubbers, namely, CO2 scrubbers and CO2 curtains for the mining industry
Environmental Control ApparatusNon-metal mine construction equipment, namely, non-metal props for roof support, reinforcing material, namely, non-metal roofing panels, non-metal roofing tiles for roof support, non-metal cribs for roof support; non-metal mine overcasts, undercasts, stoppings and barricades for the mining industry
Nonmetallic Building Materials