JPH0136992Y2 - - Google Patents
Info
- Publication number
- JPH0136992Y2 JPH0136992Y2 JP16909184U JP16909184U JPH0136992Y2 JP H0136992 Y2 JPH0136992 Y2 JP H0136992Y2 JP 16909184 U JP16909184 U JP 16909184U JP 16909184 U JP16909184 U JP 16909184U JP H0136992 Y2 JPH0136992 Y2 JP H0136992Y2
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- hoisting
- manhole
- hoist
- deceleration
- 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
- 239000011888 foil Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16909184U JPH0136992Y2 (cs) | 1984-11-07 | 1984-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16909184U JPH0136992Y2 (cs) | 1984-11-07 | 1984-11-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61180238U JPS61180238U (cs) | 1986-11-10 |
| JPH0136992Y2 true JPH0136992Y2 (cs) | 1989-11-09 |
Family
ID=30726839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16909184U Expired JPH0136992Y2 (cs) | 1984-11-07 | 1984-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0136992Y2 (cs) |
-
1984
- 1984-11-07 JP JP16909184U patent/JPH0136992Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61180238U (cs) | 1986-11-10 |
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