000 00449cam a22001331 4500
005 20160318124901.0
008 841120s1958 enka 000 0 eng
082 _a621.384132
_bRAD
245 1 0 _aRadio valve data:
_bcharacteristics of 7,000 valves, transistors, semiconductor diodes and rectifiers, and cathode-ray tubes.
300 _a223p.
_billus.
_c28 cm.
490 0 _aA "Wireless world" book
942 _cBK
260 _aBombay
_bAllied
_c1970
999 _c148669
_d148669