JPS4415374Y1 - - Google Patents
Info
- Publication number
- JPS4415374Y1 JPS4415374Y1 JP297368U JP297368U JPS4415374Y1 JP S4415374 Y1 JPS4415374 Y1 JP S4415374Y1 JP 297368 U JP297368 U JP 297368U JP 297368 U JP297368 U JP 297368U JP S4415374 Y1 JPS4415374 Y1 JP S4415374Y1
- 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.)
- Expired
Links
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP297368U JPS4415374Y1 (enExample) | 1968-01-18 | 1968-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP297368U JPS4415374Y1 (enExample) | 1968-01-18 | 1968-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4415374Y1 true JPS4415374Y1 (enExample) | 1969-07-03 |
Family
ID=31731512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP297368U Expired JPS4415374Y1 (enExample) | 1968-01-18 | 1968-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4415374Y1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291707U (enExample) * | 1975-12-30 | 1977-07-08 | ||
| JPS53105309A (en) * | 1977-02-25 | 1978-09-13 | Meisei Electric Co Ltd | Channel switching system by power supply monitoring |
| JPS5936469A (ja) * | 1982-08-23 | 1984-02-28 | Fujitsu Ltd | 電話回線の復旧方式 |
-
1968
- 1968-01-18 JP JP297368U patent/JPS4415374Y1/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291707U (enExample) * | 1975-12-30 | 1977-07-08 | ||
| JPS53105309A (en) * | 1977-02-25 | 1978-09-13 | Meisei Electric Co Ltd | Channel switching system by power supply monitoring |
| JPS5936469A (ja) * | 1982-08-23 | 1984-02-28 | Fujitsu Ltd | 電話回線の復旧方式 |