JPH01138997U - - Google Patents
Info
- Publication number
- JPH01138997U JPH01138997U JP3534088U JP3534088U JPH01138997U JP H01138997 U JPH01138997 U JP H01138997U JP 3534088 U JP3534088 U JP 3534088U JP 3534088 U JP3534088 U JP 3534088U JP H01138997 U JPH01138997 U JP H01138997U
- Authority
- JP
- Japan
- Prior art keywords
- annular structure
- welding
- parts
- protection edge
- welding protection
- 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
- 238000003466 welding Methods 0.000 claims description 6
- 239000011378 shotcrete Substances 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3534088U JPH0634473Y2 (ja) | 1988-03-18 | 1988-03-18 | トンネルの密閉帯用取付け板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3534088U JPH0634473Y2 (ja) | 1988-03-18 | 1988-03-18 | トンネルの密閉帯用取付け板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01138997U true JPH01138997U (enExample) | 1989-09-22 |
| JPH0634473Y2 JPH0634473Y2 (ja) | 1994-09-07 |
Family
ID=31261995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3534088U Expired - Lifetime JPH0634473Y2 (ja) | 1988-03-18 | 1988-03-18 | トンネルの密閉帯用取付け板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634473Y2 (enExample) |
-
1988
- 1988-03-18 JP JP3534088U patent/JPH0634473Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634473Y2 (ja) | 1994-09-07 |