72172798
Jul 11, 1963
Apr 7, 1964
MATERIAL DRYING AND CONDITIONING APPARATUS FOR LAND OR MARINE INSTALLATIONS INCLUDING LIQUID, AIR AND GAS HEATING, COOLING AND FILTERING APPARATUS FOR INDUSTRIAL, COMMERCIAL AND DOMESTIC USE AND ACCESSORIES FOR SUCH APPARATUS INCLUDING VALVES, FANS, BLOWERS, PUMPS, PIPES, DUCTS AND ELECTRICAL TIMING AND CONTROL ACCESSORIES
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