JPH0544639Y2 - - Google Patents
Info
- Publication number
- JPH0544639Y2 JPH0544639Y2 JP2390788U JP2390788U JPH0544639Y2 JP H0544639 Y2 JPH0544639 Y2 JP H0544639Y2 JP 2390788 U JP2390788 U JP 2390788U JP 2390788 U JP2390788 U JP 2390788U JP H0544639 Y2 JPH0544639 Y2 JP H0544639Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- flange
- working
- flange portion
- pipe
- 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.)
- Expired - Lifetime
Links
- 230000037431 insertion Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390788U JPH0544639Y2 (US07488766-20090210-C00029.png) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390788U JPH0544639Y2 (US07488766-20090210-C00029.png) | 1988-02-26 | 1988-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128593U JPH01128593U (US07488766-20090210-C00029.png) | 1989-09-01 |
| JPH0544639Y2 true JPH0544639Y2 (US07488766-20090210-C00029.png) | 1993-11-12 |
Family
ID=31243295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2390788U Expired - Lifetime JPH0544639Y2 (US07488766-20090210-C00029.png) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544639Y2 (US07488766-20090210-C00029.png) |
-
1988
- 1988-02-26 JP JP2390788U patent/JPH0544639Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01128593U (US07488766-20090210-C00029.png) | 1989-09-01 |
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