TY  - RPRT
TI  - Performance tests of cleanable impingement type air filters type VS and type VR 
AU  - Robinson, Henry E
AU  - Watson, Thomas W
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 2322
DO  - 10.6028/NBS.RPT.2322
ER  -