- 1959 ~ Hoffman Electron Tube Corp ~ Cathode Ray Tubes Klystrons MagnetronsOpens in a new window or tab二手HK$ 155.93+HK$ 241.97 運費所在地: 美國高度評價賣家高度評價賣家kimbovintagegoods (6,682) 100%
- 1945 Eimac Electron Vacuum Tubes Ad Industry Technology Food ProcessingOpens in a new window or tab二手HK$ 77.93+HK$ 109.21 運費所在地: 美國高度評價賣家高度評價賣家tabooisland (10,678) 99.9%
- 1945 Eimac Electron Vacuum Tubes Ad Industry Vintage Technology ElectronicsOpens in a new window or tab二手HK$ 62.40+HK$ 109.21 運費所在地: 美國高度評價賣家高度評價賣家tabooisland (10,678) 99.9%
- Vintage Pair Slide Rules; Bruning #2401 and National Dietzgen 1767P Slide RuleOpens in a new window or tab二手HK$ 194.93+HK$ 213.27 運費所在地: 美國rmagiccds (9,323) 99.2%