TY - GEN AU - W A C Miller AU - George Dickson AU - W T Sweeney C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1957-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.5754 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1957 TI - Proposed specification for impression material::synthetic rubber base, dental ER -