TY - GEN AU - Coblentz, Carl W AU - Achenbach, Paul R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1962-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.7772 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1962 TI - Performance test of the Roll-O-Tron electronic air cleaner, model #3-50HV ::manufactured by American Air Filter Company Louisville, Kentucky ER -