FR759776A - Call dial - Google Patents
Call dialInfo
- Publication number
- FR759776A FR759776A FR759776DA FR759776A FR 759776 A FR759776 A FR 759776A FR 759776D A FR759776D A FR 759776DA FR 759776 A FR759776 A FR 759776A
- Authority
- FR
- France
- Prior art keywords
- call dial
- dial
- call
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
---|---|---|---|
DE759776X | 1932-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR759776A true FR759776A (en) | 1934-02-09 |
Family
ID=6660579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR759776D Expired FR759776A (en) | 1932-10-07 | 1933-08-18 | Call dial |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR759776A (en) |
-
1933
- 1933-08-18 FR FR759776D patent/FR759776A/en not_active Expired
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