000			00385nam a2200145Ia 4500
005			20260205041211.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a621.3843 B113I
100			_aBabani, Bernard B
245		0	_aInternational Radio Tube Encyclopaedia
260			_aLondon _bBernards _c1958
300			_a410p.
690			_aElectron tubes. ;Vacuum-tubes.
942			_cBK
999			_c19114 _d19114