JPS5020775B2 - - Google Patents
Info
- Publication number
- JPS5020775B2 JPS5020775B2 JP47006768A JP676872A JPS5020775B2 JP S5020775 B2 JPS5020775 B2 JP S5020775B2 JP 47006768 A JP47006768 A JP 47006768A JP 676872 A JP676872 A JP 676872A JP S5020775 B2 JPS5020775 B2 JP S5020775B2
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47006768A JPS5020775B2 (https=) | 1972-01-17 | 1972-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47006768A JPS5020775B2 (https=) | 1972-01-17 | 1972-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4891841A JPS4891841A (https=) | 1973-11-29 |
| JPS5020775B2 true JPS5020775B2 (https=) | 1975-07-17 |
Family
ID=11647342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47006768A Expired JPS5020775B2 (https=) | 1972-01-17 | 1972-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5020775B2 (https=) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5756507B2 (https=) * | 1973-05-15 | 1982-11-30 |
-
1972
- 1972-01-17 JP JP47006768A patent/JPS5020775B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4891841A (https=) | 1973-11-29 |