JPS49117705U - - Google Patents
Info
- Publication number
- JPS49117705U JPS49117705U JP1789273U JP1789273U JPS49117705U JP S49117705 U JPS49117705 U JP S49117705U JP 1789273 U JP1789273 U JP 1789273U JP 1789273 U JP1789273 U JP 1789273U JP S49117705 U JPS49117705 U JP S49117705U
- 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.)
- Granted
Links
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1789273U JPS5317685Y2 (cs) | 1973-02-09 | 1973-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1789273U JPS5317685Y2 (cs) | 1973-02-09 | 1973-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49117705U true JPS49117705U (cs) | 1974-10-08 |
| JPS5317685Y2 JPS5317685Y2 (cs) | 1978-05-12 |
Family
ID=28102849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1789273U Expired JPS5317685Y2 (cs) | 1973-02-09 | 1973-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5317685Y2 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5862959A (ja) * | 1981-10-08 | 1983-04-14 | Meisei Electric Co Ltd | ドアホンの呼び出し信号方式 |
-
1973
- 1973-02-09 JP JP1789273U patent/JPS5317685Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5862959A (ja) * | 1981-10-08 | 1983-04-14 | Meisei Electric Co Ltd | ドアホンの呼び出し信号方式 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5317685Y2 (cs) | 1978-05-12 |