FR549328A - - Google Patents
Info
- Publication number
- FR549328A FR549328A FR549328DA FR549328A FR 549328 A FR549328 A FR 549328A FR 549328D A FR549328D A FR 549328DA FR 549328 A FR549328 A FR 549328A
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR549328A true FR549328A (forum.php) | 1923-02-07 |
Family
ID=1538241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR549328D Expired FR549328A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR549328A (forum.php) |
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0
- FR FR549328D patent/FR549328A/fr not_active Expired