JPH0358564U - - Google Patents
Info
- Publication number
- JPH0358564U JPH0358564U JP11990589U JP11990589U JPH0358564U JP H0358564 U JPH0358564 U JP H0358564U JP 11990589 U JP11990589 U JP 11990589U JP 11990589 U JP11990589 U JP 11990589U JP H0358564 U JPH0358564 U JP H0358564U
- Authority
- JP
- Japan
- Prior art keywords
- swinging flap
- swinging
- flap
- stairs
- flow
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Check Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11990589U JPH0358564U (tr) | 1989-10-13 | 1989-10-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11990589U JPH0358564U (tr) | 1989-10-13 | 1989-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0358564U true JPH0358564U (tr) | 1991-06-07 |
Family
ID=31668001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11990589U Pending JPH0358564U (tr) | 1989-10-13 | 1989-10-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0358564U (tr) |
-
1989
- 1989-10-13 JP JP11990589U patent/JPH0358564U/ja active Pending