74318088
Sep 28, 1992
Dec 13, 1994
separators for separating and clarifying mixtures of liquids and solid materials, and separating powdered metals from liquids
Machineryseparating and collecting of metallic dental, medical and environmental waste products, and general removal of mercury, mercury compounds and other heavy metals in air, exhaust air, water and waste water whether in gas form or in solids in dental, medical and general environmental applications
Treatment of Materials