FR742114A - - Google Patents
Info
- Publication number
- FR742114A FR742114A FR742114DA FR742114A FR 742114 A FR742114 A FR 742114A FR 742114D A FR742114D A FR 742114DA FR 742114 A FR742114 A FR 742114A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742114A true FR742114A (da) | 1933-02-28 |
Family
ID=1546566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742114D Expired FR742114A (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742114A (da) |
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0
- FR FR742114D patent/FR742114A/fr not_active Expired