JPS5132107B2 - - Google Patents
Info
- Publication number
- JPS5132107B2 JPS5132107B2 JP7990372A JP7990372A JPS5132107B2 JP S5132107 B2 JPS5132107 B2 JP S5132107B2 JP 7990372 A JP7990372 A JP 7990372A JP 7990372 A JP7990372 A JP 7990372A JP S5132107 B2 JPS5132107 B2 JP S5132107B2
- 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
- Light Guides In General And Applications Therefor (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7990372A JPS5132107B2 (en) | 1972-08-11 | 1972-08-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7990372A JPS5132107B2 (en) | 1972-08-11 | 1972-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4938631A JPS4938631A (en) | 1974-04-10 |
JPS5132107B2 true JPS5132107B2 (en) | 1976-09-10 |
Family
ID=13703227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7990372A Expired JPS5132107B2 (en) | 1972-08-11 | 1972-08-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5132107B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58131217A (en) * | 1982-01-28 | 1983-08-05 | Nippon Kokan Kk <Nkk> | Method and apparatus for preventing blocking of crushed stone drain pile |
JPS61102633U (en) * | 1984-12-05 | 1986-06-30 |
-
1972
- 1972-08-11 JP JP7990372A patent/JPS5132107B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58131217A (en) * | 1982-01-28 | 1983-08-05 | Nippon Kokan Kk <Nkk> | Method and apparatus for preventing blocking of crushed stone drain pile |
JPS61102633U (en) * | 1984-12-05 | 1986-06-30 |
Also Published As
Publication number | Publication date |
---|---|
JPS4938631A (en) | 1974-04-10 |