JPS5112925Y1 - - Google Patents
Info
- Publication number
- JPS5112925Y1 JPS5112925Y1 JP11877974U JP11877974U JPS5112925Y1 JP S5112925 Y1 JPS5112925 Y1 JP S5112925Y1 JP 11877974 U JP11877974 U JP 11877974U JP 11877974 U JP11877974 U JP 11877974U JP S5112925 Y1 JPS5112925 Y1 JP S5112925Y1
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11877974U JPS5112925Y1 (ja) | 1974-10-01 | 1974-10-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11877974U JPS5112925Y1 (ja) | 1974-10-01 | 1974-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5112925Y1 true JPS5112925Y1 (ja) | 1976-04-07 |
Family
ID=33083323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11877974U Expired JPS5112925Y1 (ja) | 1974-10-01 | 1974-10-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5112925Y1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023034567A (ja) * | 2021-08-31 | 2023-03-13 | 有限会社 伊藤 | トンネルの施工時におけるトンネル内の換気方法 |
-
1974
- 1974-10-01 JP JP11877974U patent/JPS5112925Y1/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023034567A (ja) * | 2021-08-31 | 2023-03-13 | 有限会社 伊藤 | トンネルの施工時におけるトンネル内の換気方法 |