TY - GEN AU - McAllister, A S AU - Ingels, Clarence W C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1932-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MP.130 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1932 TI - National directory of commodity specifications 1932/: ER -