Filament having a variable cross-section, and electron beam emitter comprising such filament
A Standard patent application filed on 12 March 2002 credited to Avnery, Tzvi
Details
Application number :
2002250296
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Filament having a variable cross-section, and electron beam emitter comprising such filament