CH138429A - Wehnelt-Kathode. - Google Patents
Wehnelt-Kathode.Info
- Publication number
- CH138429A CH138429A CH138429DA CH138429A CH 138429 A CH138429 A CH 138429A CH 138429D A CH138429D A CH 138429DA CH 138429 A CH138429 A CH 138429A
- Authority
- CH
- Switzerland
- Prior art keywords
- wehnelt cathode
- wehnelt
- cathode
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL138429X | 1928-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH138429A true CH138429A (de) | 1930-02-28 |
Family
ID=19776067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH138429D CH138429A (de) | 1928-04-13 | 1929-03-19 | Wehnelt-Kathode. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH138429A (de) |
-
1929
- 1929-03-19 CH CH138429D patent/CH138429A/de unknown
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