TY  - RPRT
TI  - Letter Circular 62: proposed revision of rule 86 of the National Electrical Code on radio equipment
PY  - 1922
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 62
DO  - 10.6028/NBS.LCIRC.62
ER  -