JPH0316899Y2 - - Google Patents
Info
- Publication number
- JPH0316899Y2 JPH0316899Y2 JP1431686U JP1431686U JPH0316899Y2 JP H0316899 Y2 JPH0316899 Y2 JP H0316899Y2 JP 1431686 U JP1431686 U JP 1431686U JP 1431686 U JP1431686 U JP 1431686U JP H0316899 Y2 JPH0316899 Y2 JP H0316899Y2
- Authority
- JP
- Japan
- Prior art keywords
- key
- lever
- manhole
- iron
- fulcrum
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 74
- 229910052742 iron Inorganic materials 0.000 claims description 37
- 238000010586 diagram Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1431686U JPH0316899Y2 (en]) | 1986-02-03 | 1986-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1431686U JPH0316899Y2 (en]) | 1986-02-03 | 1986-02-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62129451U JPS62129451U (en]) | 1987-08-15 |
| JPH0316899Y2 true JPH0316899Y2 (en]) | 1991-04-10 |
Family
ID=30804186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1431686U Expired JPH0316899Y2 (en]) | 1986-02-03 | 1986-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316899Y2 (en]) |
-
1986
- 1986-02-03 JP JP1431686U patent/JPH0316899Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62129451U (en]) | 1987-08-15 |
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