JPS51133949A - Ventilation device in top open type tunnel - Google Patents
Ventilation device in top open type tunnelInfo
- Publication number
- JPS51133949A JPS51133949A JP5808075A JP5808075A JPS51133949A JP S51133949 A JPS51133949 A JP S51133949A JP 5808075 A JP5808075 A JP 5808075A JP 5808075 A JP5808075 A JP 5808075A JP S51133949 A JPS51133949 A JP S51133949A
- Authority
- JP
- Japan
- Prior art keywords
- ventilation device
- open type
- type tunnel
- top open
- tunnel
- Prior art date
- 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.)
- Granted
Links
Landscapes
- Ventilation (AREA)
Abstract
PURPOSE: To provide a satisfactory ventilation in a top-open-type tunnel.
COPYRIGHT: (C)1976,JPO&Japio
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 true JPS51133949A (en) | 1976-11-20 |
JPS5432546B2 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 |
---|---|
JPS5432546B2 (en) | 1979-10-15 |
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