FR648370A - - Google Patents
Info
- Publication number
- FR648370A FR648370A FR648370DA FR648370A FR 648370 A FR648370 A FR 648370A FR 648370D A FR648370D A FR 648370DA FR 648370 A FR648370 A FR 648370A
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR648370A true FR648370A (zh) | 1928-12-08 |
Family
ID=1542869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR648370D Expired FR648370A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR648370A (zh) |
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0
- FR FR648370D patent/FR648370A/fr not_active Expired