74730141
Sep 18, 1995
Jun 9, 1998
chemical products for use as additives to furnaces or kilns in the casting of molten metal or cement; chemical additives and chemical binders for the treatment of waste materials and metal containing scrap
Chemicalsmechanical mixing machines for use in mixing chemical additive and metal containing waste material and scrap; injecting machines for pneumatically injecting additives into metallurgical furnaces or ladles or into cement kilns
Machinerytreatment of waste material, scrap and sludges; services in injecting additives to furnaces for making liquid metal or kilns for making cements; reclamation of solids from aqueous media by chemical precipitation; purification of industrial waste water; surface finishing and grinding of articles of common metal; treatment of slag arising from metal casting; steel cutting
Treatment of Materials