N-alkyl and N-alkenyl aspartic acids as co-collectors for the fl
N-aminoethylpiperazine condensates for beneficiation of phosphat
Natural frequency vibrating screen
Needle blank sorting apparatus
Needle sorting device
Nestable sifter
Neutral hydrocarboxycarbonyl thionocarbamate sulfide collectors
Neutral hydrocarboxycarbonyl thiourea sulfide collectors
Neutral hydrocarboxycarbonyl thiourea sulfide collectors
Non-clogging screen apparatus
Non-clogging wear-reducing screen assembly for vibrating screeni
Non-destructive detection of a spoiled liquid nutritional produc
Non-ferromagnetic materials separator
Non-ferrous metal separation by induced attraction system and de
Non-magnetic metal selecting method and apparatus
Nonaqueous coal cleaning process
Noncircular rejects outlet for cyclone separator
Nonferrous material sorting apparatus
Nonferrous metal separator
Nonmagnetic conductive material separating apparatus