JPH0437692U - - Google Patents
Info
- Publication number
- JPH0437692U JPH0437692U JP7981190U JP7981190U JPH0437692U JP H0437692 U JPH0437692 U JP H0437692U JP 7981190 U JP7981190 U JP 7981190U JP 7981190 U JP7981190 U JP 7981190U JP H0437692 U JPH0437692 U JP H0437692U
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- reinforcing frames
- underwater
- door
- space
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims 4
- 230000002787 reinforcement Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7981190U JPH0437692U (enExample) | 1990-07-30 | 1990-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7981190U JPH0437692U (enExample) | 1990-07-30 | 1990-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0437692U true JPH0437692U (enExample) | 1992-03-30 |
Family
ID=31624310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7981190U Pending JPH0437692U (enExample) | 1990-07-30 | 1990-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437692U (enExample) |
-
1990
- 1990-07-30 JP JP7981190U patent/JPH0437692U/ja active Pending