NL42667C - - Google Patents
Info
- Publication number
- NL42667C NL42667C NL42667DA NL42667C NL 42667 C NL42667 C NL 42667C NL 42667D A NL42667D A NL 42667DA NL 42667 C NL42667 C NL 42667C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU758563X | 1932-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL42667C true NL42667C (no) |
Family
ID=10980231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL42667D NL42667C (no) | 1932-07-18 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE632120C (no) |
| FR (1) | FR758563A (no) |
| NL (1) | NL42667C (no) |
-
0
- NL NL42667D patent/NL42667C/xx active
-
1932
- 1932-08-23 DE DEV28563D patent/DE632120C/de not_active Expired
-
1933
- 1933-07-18 FR FR758563D patent/FR758563A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR758563A (fr) | 1934-01-19 |
| DE632120C (de) | 1936-07-02 |