JPH0311999U - - Google Patents
Info
- Publication number
- JPH0311999U JPH0311999U JP7342589U JP7342589U JPH0311999U JP H0311999 U JPH0311999 U JP H0311999U JP 7342589 U JP7342589 U JP 7342589U JP 7342589 U JP7342589 U JP 7342589U JP H0311999 U JPH0311999 U JP H0311999U
- Authority
- JP
- Japan
- Prior art keywords
- propulsion device
- reaction fin
- fin
- helical
- ship
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7342589U JPH0311999U (da) | 1989-06-22 | 1989-06-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7342589U JPH0311999U (da) | 1989-06-22 | 1989-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0311999U true JPH0311999U (da) | 1991-02-06 |
Family
ID=31612227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7342589U Pending JPH0311999U (da) | 1989-06-22 | 1989-06-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0311999U (da) |
-
1989
- 1989-06-22 JP JP7342589U patent/JPH0311999U/ja active Pending