JPS571487Y2 - - Google Patents
Info
- Publication number
- JPS571487Y2 JPS571487Y2 JP1977107374U JP10737477U JPS571487Y2 JP S571487 Y2 JPS571487 Y2 JP S571487Y2 JP 1977107374 U JP1977107374 U JP 1977107374U JP 10737477 U JP10737477 U JP 10737477U JP S571487 Y2 JPS571487 Y2 JP S571487Y2
- 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
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977107374U JPS571487Y2 (ref) | 1977-08-11 | 1977-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977107374U JPS571487Y2 (ref) | 1977-08-11 | 1977-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5435112U JPS5435112U (ref) | 1979-03-07 |
| JPS571487Y2 true JPS571487Y2 (ref) | 1982-01-11 |
Family
ID=29051424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977107374U Expired JPS571487Y2 (ref) | 1977-08-11 | 1977-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS571487Y2 (ref) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5134685A (en) * | 1974-09-19 | 1976-03-24 | Suwa Seikosha Kk | Atsudenshindoshi no shijihoho |
| JPS5228806A (en) * | 1975-08-29 | 1977-03-04 | Meisei Electric Co Ltd | Secret-talk circuit of push-button telephone device |
-
1977
- 1977-08-11 JP JP1977107374U patent/JPS571487Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5435112U (ref) | 1979-03-07 |