JPS557992B2 - - Google Patents
Info
- Publication number
- JPS557992B2 JPS557992B2 JP4041572A JP4041572A JPS557992B2 JP S557992 B2 JPS557992 B2 JP S557992B2 JP 4041572 A JP4041572 A JP 4041572A JP 4041572 A JP4041572 A JP 4041572A JP S557992 B2 JPS557992 B2 JP S557992B2
- 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
- Structure Of Telephone Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4041572A JPS557992B2 (en:Method) | 1972-04-24 | 1972-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4041572A JPS557992B2 (en:Method) | 1972-04-24 | 1972-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS494428A JPS494428A (en:Method) | 1974-01-16 |
| JPS557992B2 true JPS557992B2 (en:Method) | 1980-02-29 |
Family
ID=12580018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4041572A Expired JPS557992B2 (en:Method) | 1972-04-24 | 1972-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS557992B2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6244187U (en:Method) * | 1985-09-05 | 1987-03-17 |
-
1972
- 1972-04-24 JP JP4041572A patent/JPS557992B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS494428A (en:Method) | 1974-01-16 |