YSTRAL "MICRO FLOAT"

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