JPS5432546B2 - - Google Patents
Info
- Publication number
- JPS5432546B2 JPS5432546B2 JP5808075A JP5808075A JPS5432546B2 JP S5432546 B2 JPS5432546 B2 JP S5432546B2 JP 5808075 A JP5808075 A JP 5808075A JP 5808075 A JP5808075 A JP 5808075A JP S5432546 B2 JPS5432546 B2 JP S5432546B2
- 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
- Ventilation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5808075A JPS51133949A (en) | 1975-05-14 | 1975-05-14 | Ventilation device in top open type tunnel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5808075A JPS51133949A (en) | 1975-05-14 | 1975-05-14 | Ventilation device in top open type tunnel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51133949A JPS51133949A (en) | 1976-11-20 |
JPS5432546B2 true JPS5432546B2 (en) | 1979-10-15 |
Family
ID=13073928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5808075A Granted JPS51133949A (en) | 1975-05-14 | 1975-05-14 | Ventilation device in top open type tunnel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51133949A (en) |
-
1975
- 1975-05-14 JP JP5808075A patent/JPS51133949A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS51133949A (en) | 1976-11-20 |