73766717
Dec 1, 1988
REMOTE CONTROL AND METERING INSTRUMENTS FOR ULTRAVIOLET RAY PURIFYING AND STERILIZING APPARATUSES
Electrical and Scientific ApparatusULTRAVIOLET RAY EQUIPMENT, NAMELY, ELECTRICALLY MONITORED PURIFYING AND STERILIZING APPARATUSES FOR THE PURIFICATION AND STERILIZATION OF WATER AND OTHER LIQUIDS; AND ULTRAVIOLET RAY EMISSION LAMPS
Environmental Control Apparatus