75120504
Jun 17, 1996
Mar 2, 1999
nitrogen gas, liquid nitrogen, industrial gases and gas mixtures for use in the mining and mineral processing industries; liquefied industrial gases and gas mixtures for use in the mining and mineral processing industries; chemicals for use in the mining and mineral processing industries, namely, flotation reagents, collectors, frothers and modifiers; minerals and mineral concentrates for use in the mining and mineral processing industries
Chemicalsmachines for use in mining and mineral processing, namely, flotation cells, reaction vessels, centrifugal or displacement pumps, and pump impellers
Machinerytreatment of minerals and mineral concentrates, namely, purification and separation of minerals and concentrates by flotation and material treatment information services
Treatment of Materialstechnical consulting services relating to the purification and separation of minerals and concentrates by flotation
Computer and Scientific