75321056
Jul 8, 1997
Jan 26, 1999
filtering machines for use in waste water treatment plants; dewatering sludging machines; and filters as parts of water cleaning plants, waste water treatment plants, and dewatering sludging machines
Machineryfilters of textile materials; filtering textiles and filtering textile goods, namely, textiles of non-woven fibers suitable for use as filters or for manufacturing into filters; and filtering sacks of textile material for sludge dewatering
Fabrics