Electric lamp and discharge devices
Cathode ray tube
Electron permeable window
Inventor
active
Electron beam-irradiating apparatus with conical bushing seal-su
Method of cold cathode replenishment in electron beam apparatus
Process of and apparatus for cold-cathode electron-beam generati
Process of and apparatus for cold-cathode electron-beam generati
Readily attachable and detachable electron-beam permeable window
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Profile ID: LFUS-PAI-P-328635