U.S. federal trademark · Serial No. 73678212 · Reg. No. 1090445
CHEMICAL, ELECTRONIC AND ELECTRICAL INSTRUMENTS FOR MEASURING, CHECKING AND TESTING IN CONNECTION WITH SEWAGE CLARIFICATION AND SLUDGE DRAINING AND IN DEGREASING AND PURIFYING WATER
HIGH PERFORMANCE BIO-REACTORS UNITS FOR USE IN SEWAGE CLARIFICATION AND SLUDGE DRAINING AND IN DEGREASING AND PURIFYING WATER
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