FR636611A - - Google Patents
Info
- Publication number
- FR636611A FR636611A FR636611DA FR636611A FR 636611 A FR636611 A FR 636611A FR 636611D A FR636611D A FR 636611DA FR 636611 A FR636611 A FR 636611A
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR636611A true FR636611A (zh) | 1928-04-13 |
Family
ID=1542454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR636611D Expired FR636611A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR636611A (zh) |
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0
- FR FR636611D patent/FR636611A/fr not_active Expired