TY - GEN AU - Carl W Coblentz AU - Paul R Achenbach C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1962-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.7506 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1962 TI - Performance test of a "Dustfoe" disposable air filter ::manufactured by Mine Safety Appliances Company Pittsburgh, Pennsylvania ER -