Details
- TitlePatent No. 472,162 Improvements in or relating to Electron Discharge Devices
- ReferenceUK0108 NAEST 148/1/19
- Date1937-09-15
- Physical descriptionNumber of pieces: 1, Pages/folios: 7 + 1 of diagrams
- LanguageEnglish.
- Subject
- Conditions governing accessOpen access
- Level of descriptionfile
Hierarchy browser