U.S. federal trademark · Serial No. 72426232 · Reg. No. 0974606
HEAT AND MASS TRANSFER DEVICES-NAMELY, EVAPORATOR-STRIPPERS, FRACTIONATION TRAYS, JET EDUCTORS, MOLECULAR STILLS, RISING AND FALLING FILM EVAPORATORS, THIN-FILM MECHANICAL EVAPORATORS, CONDENSERS, DISTILLATION COLUMNS, HEAT EXCHANGERS AND REACTORS
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