JPS5027321B1 - - Google Patents
Info
- Publication number
- JPS5027321B1 JPS5027321B1 JP170170A JP170170A JPS5027321B1 JP S5027321 B1 JPS5027321 B1 JP S5027321B1 JP 170170 A JP170170 A JP 170170A JP 170170 A JP170170 A JP 170170A JP S5027321 B1 JPS5027321 B1 JP S5027321B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170170A JPS5027321B1 (ja) | 1969-12-25 | 1969-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170170A JPS5027321B1 (ja) | 1969-12-25 | 1969-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5027321B1 true JPS5027321B1 (ja) | 1975-09-06 |
Family
ID=11508828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP170170A Pending JPS5027321B1 (ja) | 1969-12-25 | 1969-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5027321B1 (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3482056A (en) * | 1966-11-22 | 1969-12-02 | Northern Electric Co | Identification of a subscriber's request for service |
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1969
- 1969-12-25 JP JP170170A patent/JPS5027321B1/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3482056A (en) * | 1966-11-22 | 1969-12-02 | Northern Electric Co | Identification of a subscriber's request for service |