TY - RPRT TI - Performance test of a folding Aerosolve model 3H-85 air filter : manufactured by Cambridge Filter Corporation Syracuse, New York AU - Coblentz, Carl W AU - Achenbach, Paul R PY - 1962 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 7396 DO - 10.6028/NBS.RPT.7396 ER -