TY  - RPRT
TI  - Grease filter test methods : progress report for December 1, 1952 to April 30, 1953
AU  - Coblentz, Carl W
AU  - Achenbach, PR
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 2531
DO  - 10.6028/NBS.RPT.2531
ER  -