JPS5690921U - - Google Patents
Info
- Publication number
- JPS5690921U JPS5690921U JP17187979U JP17187979U JPS5690921U JP S5690921 U JPS5690921 U JP S5690921U JP 17187979 U JP17187979 U JP 17187979U JP 17187979 U JP17187979 U JP 17187979U JP S5690921 U JPS5690921 U JP S5690921U
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Air Transport Of Granular Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979171879U JPS5842560Y2 (ja) | 1979-12-12 | 1979-12-12 | 掘削土の空気輸送装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979171879U JPS5842560Y2 (ja) | 1979-12-12 | 1979-12-12 | 掘削土の空気輸送装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5690921U true JPS5690921U (ja) | 1981-07-20 |
| JPS5842560Y2 JPS5842560Y2 (ja) | 1983-09-27 |
Family
ID=29717292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979171879U Expired JPS5842560Y2 (ja) | 1979-12-12 | 1979-12-12 | 掘削土の空気輸送装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5842560Y2 (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499472A (ja) * | 1972-05-24 | 1974-01-28 | ||
| JPS53149981U (ja) * | 1977-04-30 | 1978-11-25 |
-
1979
- 1979-12-12 JP JP1979171879U patent/JPS5842560Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS499472A (ja) * | 1972-05-24 | 1974-01-28 | ||
| JPS53149981U (ja) * | 1977-04-30 | 1978-11-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5842560Y2 (ja) | 1983-09-27 |