BE350727A - - Google Patents
Info
- Publication number
- BE350727A BE350727A BE350727DA BE350727A BE 350727 A BE350727 A BE 350727A BE 350727D A BE350727D A BE 350727DA BE 350727 A BE350727 A BE 350727A
- 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
- 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 |
---|---|---|---|
DE653185X | 1927-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE350727A true BE350727A (ko) |
Family
ID=6581787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE350727D BE350727A (ko) | 1927-12-05 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE350727A (ko) |
FR (1) | FR653185A (ko) |
NL (1) | NL25670C (ko) |
-
0
- NL NL25670D patent/NL25670C/xx active
- BE BE350727D patent/BE350727A/xx unknown
-
1928
- 1928-04-21 FR FR653185D patent/FR653185A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL25670C (ko) | |
FR653185A (fr) | 1929-03-18 |