JPS63122847U - - Google Patents
Info
- Publication number
- JPS63122847U JPS63122847U JP1437087U JP1437087U JPS63122847U JP S63122847 U JPS63122847 U JP S63122847U JP 1437087 U JP1437087 U JP 1437087U JP 1437087 U JP1437087 U JP 1437087U JP S63122847 U JPS63122847 U JP S63122847U
- Authority
- JP
- Japan
- Prior art keywords
- acute angle
- shape
- abacus
- viewed
- whose
- 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
- 230000001154 acute effect Effects 0.000 claims 2
Landscapes
- Calculators And Similar Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1437087U JPS63122847U (bg) | 1987-02-02 | 1987-02-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1437087U JPS63122847U (bg) | 1987-02-02 | 1987-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63122847U true JPS63122847U (bg) | 1988-08-10 |
Family
ID=30804294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1437087U Pending JPS63122847U (bg) | 1987-02-02 | 1987-02-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63122847U (bg) |
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1987
- 1987-02-02 JP JP1437087U patent/JPS63122847U/ja active Pending