作者 | Abel Wolman / American Institute of Chemical Engineers / Brian Edward Akins / Fabbrica pisana Saint-Gobain / General Electric Company. Radio and Television Dept / Jerome Trichter / Julius J. Hupert / Michael Rex Horne / National Association of Engine and Boat Manufacturers / National Research Council (U.S.) / Sprengnether (W.F.) Instrument Company, Inc / Andrew R. Mack / Archie MacInnes Palmer / John Charles Geyer / Marion H. Gilmore / Edwin E. Pyatt |