TY  - RPRT
TI  - Letter Circular 346: list of simplified practice recommendations proposed, approved and accepted by industrial groups, under the auspices of the Bureau of Standards, U. S. Department of Commerce
PY  - 1932
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 346
DO  - 10.6028/NBS.LCIRC.346
ER  -