TY - GEN AU - Leep, David A AU - Brunt, Richard J Van C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-2063 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Safety considerations for handling SF? used in electrical equipment: ER -