72281807
Oct 4, 1967
Jul 15, 1969
RELIEF VALVES, CHECK VALVES, REFLUX SPLITTERS, VACUUM BREAKERS, PIPING AND PIPE COUPLINGS FOR THE CONTROL OF LIQUIDS AND GASES IN CHEMICAL PROCESSING OPERATIONS
FirearmsAGITATORS AND PUMPS FOR THE CIRCULATION, TRANSFER OR AGITATION OF LIQUIDS IN CHEMICAL PROCESSING OPERATIONS
Yarns and ThreadsFILTERING DEVICES DESIGNED PRIMARILY FOR THE FILTRATION OF CORROSIVE LIQUIDS AND GASES
Natural Agricultural Products