BE443322A - - Google Patents
Info
- Publication number
- BE443322A BE443322A BE443322DA BE443322A BE 443322 A BE443322 A BE 443322A BE 443322D A BE443322D A BE 443322DA BE 443322 A BE443322 A BE 443322A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE222911X | 1940-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443322A true BE443322A (en:Method) |
Family
ID=5847797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443322D BE443322A (en:Method) | 1940-11-27 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE443322A (en:Method) |
| CH (1) | CH222911A (en:Method) |
| FR (1) | FR876867A (en:Method) |
-
0
- BE BE443322D patent/BE443322A/xx unknown
-
1941
- 1941-10-29 CH CH222911D patent/CH222911A/de unknown
- 1941-11-14 FR FR876867D patent/FR876867A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR876867A (fr) | 1942-11-19 |
| CH222911A (de) | 1942-08-15 |