00679nam a2200193Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d 9399-241-11601 IIA Library (035)621.38 PDH-69:9 Philips Gloeilanapenfabrieken 6264 Phillps data and Handbook pt. 9, electron tubes-transmitting tubes for communication and triodes for R F heating, associated accessories Philips Gloeilanapenfabrieken Netherland Technical Publications Department 1969 [various pagings.] Electron Tubes Electronics 1576 NASA Thesaurus BK 3539 3539 0 0 ddc 0 0 BAN BAN GEN 1970-07-16 13.20 0 (035)621.38/ PDH-69:9 3951 2021-11-05 13.20 1970-07-16 BK Rs. 13.20