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.7530 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1962 TI - Performance test of Farr type 83 media with the "Roll Kleen" automatic renewable media air filter ::manufactured by Farr Company Los Angeles, California ER -