TY - GEN AU - Hasko, Stephen C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.HB.117 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Examination of vapor-measuring devices for liquefied petroleum gas: a manual for weights and measures officials: ER -