TY  - RPRT
TI  - Letter Circular 412: domestic electric and gas refrigerators (replaces Letter Circular 297)
PY  - 1934
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 412
DO  - 10.6028/NBS.LCIRC.412
ER  -