JPS502661Y2 - - Google Patents
Info
- Publication number
- JPS502661Y2 JPS502661Y2 JP5506271U JP5506271U JPS502661Y2 JP S502661 Y2 JPS502661 Y2 JP S502661Y2 JP 5506271 U JP5506271 U JP 5506271U JP 5506271 U JP5506271 U JP 5506271U JP S502661 Y2 JPS502661 Y2 JP S502661Y2
- 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 |
|---|---|---|---|
| JP5506271U JPS502661Y2 (ja) | 1971-06-25 | 1971-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5506271U JPS502661Y2 (ja) | 1971-06-25 | 1971-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4814029U JPS4814029U (ja) | 1973-02-16 |
| JPS502661Y2 true JPS502661Y2 (ja) | 1975-01-24 |
Family
ID=27938924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5506271U Expired JPS502661Y2 (ja) | 1971-06-25 | 1971-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS502661Y2 (ja) |
-
1971
- 1971-06-25 JP JP5506271U patent/JPS502661Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4814029U (ja) | 1973-02-16 |