TY  - RPRT
TI  - Performance tests of a "Roll-O-Matic" automatic renewable media air filter : manufactured by American Air Filter Company Louisville, Kentucky
AU  - Coblentz, Carl W
AU  - Achenbach, Paul R
PY  - 1960
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 6947
DO  - 10.6028/NBS.RPT.6947
ER  -