TY  - RPRT
TI  - Performance tests of a Trion electric air filter 
AU  - Watson, Thomas
AU  - Robinson, Henry E
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 2813
DO  - 10.6028/NBS.RPT.2813
ER  -