73667322
Jun 19, 1987
Jan 26, 1988
Active Trademark
AERATION CHAINS MADE OF HOSE AND FLOAT ASSEMBLIES WHICH SUPPORT FINE BUBBLE DIFFUSERS; AIR PIPING MANIFOLD, BLOWERS, PARTITION WALLS, SLUDGE REMOVERS, RAKES AND OVERFLOW WEIRS USED IN WASTEWATER TREATMENT
Machinery