72321226
Mar 10, 1969
May 5, 1970
DRYING TUNNELS AND DRYING OVENS SPECIFICALLY USED TO DRY WATER OR SOLVENTS FROM COATINGS OR ADHESIVES WHICH HAVE BEEN APPLIED TO CONTINUOUS WEBS OF SHEET MATERIAL INCLUDING PAPER, ALUMINUM, STEEL OR COPPER COILS, AND SYNTHETIC FILMS OF ALL TYPES AS WELL AS CLOTH, AND PARTS THEREOF
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