000 00554cam a22001937a 4500
001 003291
003 armpuni
005 20160923152509.0
008 160923s1951####xx#a##########000#0#und#d
040 _aarmpuni
_carmpuni
041 _aen
080 _a621.385
100 1 _aHeyboer, J.P.
245 1 0 _aTransmitting valves :
_bthe use of pentodes, tetrodes and triodes in transmitter circuits /
_cJ.P. Heyboer
260 _aHolland :
_bPhilips' Technical Library,
_c1951
300 _a284 p.;, 23,5 cm.
942 _cLB
_2cdu
945 _aInfor
_d1979-11-06
999 _c3290
_d4465