JPS61205958U - - Google Patents
Info
- Publication number
- JPS61205958U JPS61205958U JP9066485U JP9066485U JPS61205958U JP S61205958 U JPS61205958 U JP S61205958U JP 9066485 U JP9066485 U JP 9066485U JP 9066485 U JP9066485 U JP 9066485U JP S61205958 U JPS61205958 U JP S61205958U
- Authority
- JP
- Japan
- Prior art keywords
- protective spacer
- steel collar
- humid
- steel
- width
- 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
- Excavating Of Shafts Or Tunnels (AREA)
- Buffer Packaging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9066485U JPS641258Y2 (cs) | 1985-06-13 | 1985-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9066485U JPS641258Y2 (cs) | 1985-06-13 | 1985-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61205958U true JPS61205958U (cs) | 1986-12-26 |
| JPS641258Y2 JPS641258Y2 (cs) | 1989-01-12 |
Family
ID=30645862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9066485U Expired JPS641258Y2 (cs) | 1985-06-13 | 1985-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641258Y2 (cs) |
-
1985
- 1985-06-13 JP JP9066485U patent/JPS641258Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS641258Y2 (cs) | 1989-01-12 |