BE400270A - - Google Patents
Info
- Publication number
- BE400270A BE400270A BE400270DA BE400270A BE 400270 A BE400270 A BE 400270A BE 400270D A BE400270D A BE 400270DA BE 400270 A BE400270 A BE 400270A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR43319T | 1933-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE400270A true BE400270A (en:Method) |
Family
ID=8679302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE400270D BE400270A (en:Method) | 1933-04-03 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE400270A (en:Method) |
| FR (2) | FR747542A (en:Method) |
-
0
- BE BE400270D patent/BE400270A/xx unknown
-
1932
- 1932-12-14 FR FR747542D patent/FR747542A/fr not_active Expired
-
1933
- 1933-04-03 FR FR43319D patent/FR43319E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR43319E (fr) | 1934-04-28 |
| FR747542A (fr) | 1933-06-19 |