TY  - RPRT
TI  - Letter Circular 799: export trade expansion and retention through certification of quality (supersedes Letter Circular 618)
PY  - 1945
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 799
DO  - 10.6028/NBS.LCIRC.799
ER  -