NL73504C - - Google Patents
Info
- Publication number
- NL73504C NL73504C NL73504DA NL73504C NL 73504 C NL73504 C NL 73504C NL 73504D A NL73504D A NL 73504DA NL 73504 C NL73504 C NL 73504C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/60—Mirrors
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL275261X | 1948-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL73504C true NL73504C (ja�@�@) |
Family
ID=19782101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL73504D NL73504C (ja�@�@) | 1948-04-14 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH275261A (ja�@�@) |
| DE (1) | DE810884C (ja�@�@) |
| GB (1) | GB692697A (ja�@�@) |
| NL (1) | NL73504C (ja�@�@) |
-
0
- NL NL73504D patent/NL73504C/xx active
-
1949
- 1949-04-02 DE DEP38499A patent/DE810884C/de not_active Expired
- 1949-04-11 GB GB9769/49A patent/GB692697A/en not_active Expired
- 1949-04-12 CH CH275261D patent/CH275261A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH275261A (de) | 1951-05-15 |
| GB692697A (en) | 1953-06-10 |
| DE810884C (de) | 1951-08-13 |