U.S. federal trademark · Serial No. 71639624 · Reg. No. 0604227
ACID-PROOF CHEMICAL EQUIPMENT-NAMELY, HEAT EXCHANGERS, CONDENSERS, PRESSURE VESSELS OR AUTOCLAVES LINED WITH NON-CORROSIVE MATERIALS FOR CONDUCTING CHEMICAL REACTIONS UNDER PRESSURE, AND DISTILLATION EQUIPMENT-NAMELY, APPARATUS FOR EVAPORATING LIQUIDS AND APPARATUS FOR CONDENSING VAPOR
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