TY - RPRT TI - Performance tests of a replaceable cartridge air filter Cambridge "Aerosolve" 3A-85 : manufactured by Cambridge Filter Manufacturing Corporation Syracuse, New York AU - Coblentz, Carl W AU - Achenbach, Paul R PY - 1960 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 6626 DO - 10.6028/NBS.RPT.6626 ER -