72336026
Aug 22, 1969
Feb 15, 1972
FIBERGLASS MATERLAL OF CONSTRUCTION USED IN THE FABRICATION OF INTERNASL SUCH AS BAFFLES, FLUMES, AND COLLECTORS FOR WATER TREATMENT EQUIPMENT HAVING WALLS OF ANOTHER MATERIAL SUCH AS CONCRETE OR STEEL AND IN THE FABRICATION OF BOTH WALLS AND INTERNALS OF PACKAGE WATER TREATMENT EQUIPMENT
Vehicles