JPS63192090U - - Google Patents
Info
- Publication number
- JPS63192090U JPS63192090U JP8399887U JP8399887U JPS63192090U JP S63192090 U JPS63192090 U JP S63192090U JP 8399887 U JP8399887 U JP 8399887U JP 8399887 U JP8399887 U JP 8399887U JP S63192090 U JPS63192090 U JP S63192090U
- Authority
- JP
- Japan
- Prior art keywords
- inverted
- zenith
- midpoint
- edge
- tongue piece
- 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
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8399887U JPS63192090U (en]) | 1987-05-30 | 1987-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8399887U JPS63192090U (en]) | 1987-05-30 | 1987-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63192090U true JPS63192090U (en]) | 1988-12-12 |
Family
ID=30938101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8399887U Pending JPS63192090U (en]) | 1987-05-30 | 1987-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63192090U (en]) |
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1987
- 1987-05-30 JP JP8399887U patent/JPS63192090U/ja active Pending