JPH02111855U - - Google Patents
Info
- Publication number
- JPH02111855U JPH02111855U JP1998989U JP1998989U JPH02111855U JP H02111855 U JPH02111855 U JP H02111855U JP 1998989 U JP1998989 U JP 1998989U JP 1998989 U JP1998989 U JP 1998989U JP H02111855 U JPH02111855 U JP H02111855U
- Authority
- JP
- Japan
- Prior art keywords
- planisphere
- constellation
- disc
- notch
- time scale
- 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
Landscapes
- Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1998989U JPH02111855U (it) | 1989-02-22 | 1989-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1998989U JPH02111855U (it) | 1989-02-22 | 1989-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02111855U true JPH02111855U (it) | 1990-09-06 |
Family
ID=31235988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1998989U Pending JPH02111855U (it) | 1989-02-22 | 1989-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02111855U (it) |
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1989
- 1989-02-22 JP JP1998989U patent/JPH02111855U/ja active Pending