JPH033666Y2 - - Google Patents
Info
- Publication number
- JPH033666Y2 JPH033666Y2 JP16721187U JP16721187U JPH033666Y2 JP H033666 Y2 JPH033666 Y2 JP H033666Y2 JP 16721187 U JP16721187 U JP 16721187U JP 16721187 U JP16721187 U JP 16721187U JP H033666 Y2 JPH033666 Y2 JP H033666Y2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- grating
- rubber disc
- main body
- cover
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16721187U JPH033666Y2 (de) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16721187U JPH033666Y2 (de) | 1987-10-31 | 1987-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0175191U JPH0175191U (de) | 1989-05-22 |
JPH033666Y2 true JPH033666Y2 (de) | 1991-01-30 |
Family
ID=31455299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16721187U Expired JPH033666Y2 (de) | 1987-10-31 | 1987-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH033666Y2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2507353Y2 (ja) * | 1990-06-15 | 1996-08-14 | 羽田ヒューム管株式会社 | グレ―チング |
-
1987
- 1987-10-31 JP JP16721187U patent/JPH033666Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0175191U (de) | 1989-05-22 |
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