FR632495A - - Google Patents
Info
- Publication number
- FR632495A FR632495A FR632495DA FR632495A FR 632495 A FR632495 A FR 632495A FR 632495D A FR632495D A FR 632495DA FR 632495 A FR632495 A FR 632495A
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632495A true FR632495A (ja) | 1928-01-10 |
Family
ID=1541583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632495D Expired FR632495A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR632495A (ja) |
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0
- FR FR632495D patent/FR632495A/fr not_active Expired