JPS647589U - - Google Patents
Info
- Publication number
- JPS647589U JPS647589U JP10121487U JP10121487U JPS647589U JP S647589 U JPS647589 U JP S647589U JP 10121487 U JP10121487 U JP 10121487U JP 10121487 U JP10121487 U JP 10121487U JP S647589 U JPS647589 U JP S647589U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- blackboard
- writing medium
- controls
- remote controller
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10121487U JPS647589U (xx) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10121487U JPS647589U (xx) | 1987-06-30 | 1987-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS647589U true JPS647589U (xx) | 1989-01-17 |
Family
ID=31330004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10121487U Pending JPS647589U (xx) | 1987-06-30 | 1987-06-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS647589U (xx) |
-
1987
- 1987-06-30 JP JP10121487U patent/JPS647589U/ja active Pending
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