BE451960A - - Google Patents
Info
- Publication number
- BE451960A BE451960A BE451960DA BE451960A BE 451960 A BE451960 A BE 451960A BE 451960D A BE451960D A BE 451960DA BE 451960 A BE451960 A BE 451960A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE897274X | 1942-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE451960A true BE451960A (en) |
Family
ID=6848622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE451960D BE451960A (en) | 1942-09-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE451960A (en) |
| FR (1) | FR897274A (en) |
-
0
- BE BE451960D patent/BE451960A/xx unknown
-
1943
- 1943-08-16 FR FR897274D patent/FR897274A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR897274A (en) | 1945-03-16 |