NL32261C - - Google Patents
Info
- Publication number
- NL32261C NL32261C NL32261DA NL32261C NL 32261 C NL32261 C NL 32261C NL 32261D A NL32261D A NL 32261DA NL 32261 C NL32261 C NL 32261C
- Authority
- NL
- Netherlands
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
- H04M17/026—Constructional features
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 |
|---|---|---|---|
| FR726596T | 1931-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL32261C true NL32261C (en:Method) |
Family
ID=9110789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32261D NL32261C (en:Method) | 1931-11-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE383956A (en:Method) |
| FR (1) | FR726596A (en:Method) |
| NL (1) | NL32261C (en:Method) |
-
0
- NL NL32261D patent/NL32261C/xx active
- BE BE383956D patent/BE383956A/xx unknown
-
1931
- 1931-11-20 FR FR726596D patent/FR726596A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE383956A (en:Method) | |
| FR726596A (fr) | 1932-05-31 |