TY - GEN AU - Rapuzzi, Ann E AU - Cooley, Paul A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1945-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MP.178 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1945 TI - National directory of commodity specifications/: ER -