00273nam a22001097a 4500 621.38800288 CHR'R CHRISTOPHER, CARL 80106 THE RADIO T.V CONSTRUCTORS HANDBOOK DENMARK D. LUND JOHANSEN 1980 152P BK 585067 585067 0 0 0 0 CEME CEME REF 2017-07-06 0 621.38800288 CHR'R CEME-5598 2021-06-28 2021-06-28 BK