JPS61149603U - - Google Patents
Info
- Publication number
- JPS61149603U JPS61149603U JP3092285U JP3092285U JPS61149603U JP S61149603 U JPS61149603 U JP S61149603U JP 3092285 U JP3092285 U JP 3092285U JP 3092285 U JP3092285 U JP 3092285U JP S61149603 U JPS61149603 U JP S61149603U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- pipe wall
- curved pipe
- view
- viewing window
- 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
- 230000035515 penetration Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3092285U JPS61149603U (enExample) | 1985-03-06 | 1985-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3092285U JPS61149603U (enExample) | 1985-03-06 | 1985-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61149603U true JPS61149603U (enExample) | 1986-09-16 |
Family
ID=30531054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3092285U Pending JPS61149603U (enExample) | 1985-03-06 | 1985-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61149603U (enExample) |
-
1985
- 1985-03-06 JP JP3092285U patent/JPS61149603U/ja active Pending