JPS521452Y2 - - Google Patents
Info
- Publication number
- JPS521452Y2 JPS521452Y2 JP11512271U JP11512271U JPS521452Y2 JP S521452 Y2 JPS521452 Y2 JP S521452Y2 JP 11512271 U JP11512271 U JP 11512271U JP 11512271 U JP11512271 U JP 11512271U JP S521452 Y2 JPS521452 Y2 JP S521452Y2
- 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
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Safety Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11512271U JPS521452Y2 (en:Method) | 1971-12-07 | 1971-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11512271U JPS521452Y2 (en:Method) | 1971-12-07 | 1971-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4869610U JPS4869610U (en:Method) | 1973-09-03 |
| JPS521452Y2 true JPS521452Y2 (en:Method) | 1977-01-13 |
Family
ID=28027301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11512271U Expired JPS521452Y2 (en:Method) | 1971-12-07 | 1971-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS521452Y2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022053283A (ja) * | 2020-09-24 | 2022-04-05 | 積水化学工業株式会社 | 更生管用逆止弁装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS536973Y2 (en:Method) * | 1974-02-07 | 1978-02-22 | ||
| JPS566556Y2 (en:Method) * | 1978-04-28 | 1981-02-13 |
-
1971
- 1971-12-07 JP JP11512271U patent/JPS521452Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022053283A (ja) * | 2020-09-24 | 2022-04-05 | 積水化学工業株式会社 | 更生管用逆止弁装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4869610U (en:Method) | 1973-09-03 |