000 00313nam a2200133Ia 4500
008 221117s9999 xx 000 0 und d
082 _bHOL
100 _aHOLM, W.A.
245 0 _aELECTRON TUBE MANUAL
260 _bBEL, BANGALORE
300 _a159
650 _aElectronics & Communication Eng.
942 _cBK
999 _c211096
_d211096