TY - GEN AU - Davis, Joseph C AU - Achenbach, Paul R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1964-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.8383 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1964 TI - Performance test of the Filtrex glass fiber automatic renewable filter media, type 63 DGC: ER -