NL7016339A - - Google Patents
Info
- Publication number
- NL7016339A NL7016339A NL7016339A NL7016339A NL7016339A NL 7016339 A NL7016339 A NL 7016339A NL 7016339 A NL7016339 A NL 7016339A NL 7016339 A NL7016339 A NL 7016339A NL 7016339 A NL7016339 A NL 7016339A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7016339A NL7016339A (en) | 1970-11-09 | 1970-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7016339A NL7016339A (en) | 1970-11-09 | 1970-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7016339A true NL7016339A (en) | 1972-05-12 |
Family
ID=19811494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7016339A NL7016339A (en) | 1970-11-09 | 1970-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL7016339A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2368186A1 (en) * | 1976-10-18 | 1978-05-12 | Western Electric Co | TELEPHONE CONFERENCE DEVICE |
-
1970
- 1970-11-09 NL NL7016339A patent/NL7016339A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2368186A1 (en) * | 1976-10-18 | 1978-05-12 | Western Electric Co | TELEPHONE CONFERENCE DEVICE |