Standards of good engineering practice concerning standard broadcast stations (550-1600 ke.) effective August 1, 1939 (revised to October 30, #)
|Corporate Author:||United States.|
Washington, U.S. Govt. print. off., 1947.
Radio > Law and legislation > United States
fold. map, tables, fold. diagrs.
|Original Classification Number:||TK 6548 .U6 A52 1947|
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