KR940026496U - 곡면 학습판 - Google Patents
곡면 학습판Info
- Publication number
- KR940026496U KR940026496U KR2019930008592U KR930008592U KR940026496U KR 940026496 U KR940026496 U KR 940026496U KR 2019930008592 U KR2019930008592 U KR 2019930008592U KR 930008592 U KR930008592 U KR 930008592U KR 940026496 U KR940026496 U KR 940026496U
- Authority
- KR
- South Korea
- Prior art keywords
- learning board
- surface learning
- board
- learning
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019930008592U KR940026496U (ko) | 1993-05-20 | 1993-05-20 | 곡면 학습판 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019930008592U KR940026496U (ko) | 1993-05-20 | 1993-05-20 | 곡면 학습판 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR940026496U true KR940026496U (ko) | 1994-12-08 |
Family
ID=60854768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019930008592U KR940026496U (ko) | 1993-05-20 | 1993-05-20 | 곡면 학습판 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940026496U (ko) |
-
1993
- 1993-05-20 KR KR2019930008592U patent/KR940026496U/ko not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |