JPS5312801B2 - - Google Patents
Info
- Publication number
- JPS5312801B2 JPS5312801B2 JP5045772A JP5045772A JPS5312801B2 JP S5312801 B2 JPS5312801 B2 JP S5312801B2 JP 5045772 A JP5045772 A JP 5045772A JP 5045772 A JP5045772 A JP 5045772A JP S5312801 B2 JPS5312801 B2 JP S5312801B2
- 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
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5045772A JPS5312801B2 ( ) | 1972-05-22 | 1972-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5045772A JPS5312801B2 ( ) | 1972-05-22 | 1972-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4916447A JPS4916447A ( ) | 1974-02-13 |
| JPS5312801B2 true JPS5312801B2 ( ) | 1978-05-04 |
Family
ID=12859385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5045772A Expired JPS5312801B2 ( ) | 1972-05-22 | 1972-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5312801B2 ( ) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5239936A (en) * | 1975-09-25 | 1977-03-28 | Nippon Telegraph & Telephone | Method of compressed air system tunnel drainage construction |
-
1972
- 1972-05-22 JP JP5045772A patent/JPS5312801B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4916447A ( ) | 1974-02-13 |