BE371345A - - Google Patents
Info
- Publication number
- BE371345A BE371345A BE371345DA BE371345A BE 371345 A BE371345 A BE 371345A BE 371345D A BE371345D A BE 371345DA BE 371345 A BE371345 A BE 371345A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
- H01H9/182—Illumination of the symbols or distinguishing marks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE356361T | 1929-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371345A true BE371345A (en:Method) |
Family
ID=31895281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371345D BE371345A (en:Method) | 1929-07-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE371345A (en:Method) |
| FR (1) | FR697799A (en:Method) |
| GB (1) | GB356361A (en:Method) |
-
0
- BE BE371345D patent/BE371345A/xx unknown
-
1930
- 1930-06-23 FR FR697799D patent/FR697799A/fr not_active Expired
- 1930-07-03 GB GB20210/30A patent/GB356361A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR697799A (fr) | 1931-01-22 |
| GB356361A (en:Method) | 1931-09-10 |