NL73320C - - Google Patents
Info
- Publication number
- NL73320C NL73320C NL73320DA NL73320C NL 73320 C NL73320 C NL 73320C NL 73320D A NL73320D A NL 73320DA NL 73320 C NL73320 C NL 73320C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL280312X | 1949-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL73320C true NL73320C (en:Method) |
Family
ID=19782274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL73320D NL73320C (en:Method) | 1949-04-13 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE495063A (en:Method) |
| CH (1) | CH280312A (en:Method) |
| DE (1) | DE816576C (en:Method) |
| FR (1) | FR1018365A (en:Method) |
| GB (1) | GB677182A (en:Method) |
| NL (1) | NL73320C (en:Method) |
-
0
- BE BE495063D patent/BE495063A/xx unknown
- NL NL73320D patent/NL73320C/xx active
-
1950
- 1950-04-06 GB GB8765/50A patent/GB677182A/en not_active Expired
- 1950-04-09 DE DEN717A patent/DE816576C/de not_active Expired
- 1950-04-11 FR FR1018365D patent/FR1018365A/fr not_active Expired
- 1950-04-11 CH CH280312D patent/CH280312A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB677182A (en) | 1952-08-13 |
| FR1018365A (fr) | 1953-01-07 |
| BE495063A (en:Method) | |
| DE816576C (de) | 1951-10-11 |
| CH280312A (de) | 1952-01-15 |