TY - GEN AU - Davis, Joseph C AU - Achenbach, Paul R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1963-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.8115 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1963 TI - Performance test of a "Dustfoe" deep-bedisposable air filter, model B-2000 ::manufactured by Mine Safety Appliances Company Pittsburgh, Pennsylvania ER -