01163nam a2200301 i 450099100091089970753620020507103119.0951204s1970 sz ||| | eng b10147056-39ule_instLE00639008ExLDip.to Fisicaitaengfreger621.3.2(047.3)621.38151Brown, Boveri and Co., Ltd461790Electron tube handbook /Brown, Boveri & Co.Baden :Brown, Boveri and Co., Ltd,19702 v. ;21 cm.Vol. 1 : Rectifier Valves and thyratrons.Vol. 2 : Transmitting tubes.Electron tubes-Handbooks, manuals, etc..b1014705621-09-0627-06-02991000910899707536LE006 621.3.2(047.3) BROV. 112006000053150le006-E0.00-l- 00000.i1017509x27-06-02LE006 621.3.2(047.3) BROV. 212006000053389le006-E0.00-l- 00000.i1017510627-06-02Electron tube handbook186553UNISALENTOle00601-01-95ma -engsz 02