JPS5520590B2 - - Google Patents
Info
- Publication number
- JPS5520590B2 JPS5520590B2 JP644474A JP644474A JPS5520590B2 JP S5520590 B2 JPS5520590 B2 JP S5520590B2 JP 644474 A JP644474 A JP 644474A JP 644474 A JP644474 A JP 644474A JP S5520590 B2 JPS5520590 B2 JP S5520590B2
- 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
- Electrically Operated Instructional Devices (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP644474A JPS5520590B2 (enExample) | 1974-01-10 | 1974-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP644474A JPS5520590B2 (enExample) | 1974-01-10 | 1974-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50103204A JPS50103204A (enExample) | 1975-08-15 |
| JPS5520590B2 true JPS5520590B2 (enExample) | 1980-06-03 |
Family
ID=11638565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP644474A Expired JPS5520590B2 (enExample) | 1974-01-10 | 1974-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5520590B2 (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4521769Y1 (enExample) * | 1967-09-30 | 1970-08-29 |
-
1974
- 1974-01-10 JP JP644474A patent/JPS5520590B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50103204A (enExample) | 1975-08-15 |