JPH0387294U - - Google Patents
Info
- Publication number
- JPH0387294U JPH0387294U JP14760289U JP14760289U JPH0387294U JP H0387294 U JPH0387294 U JP H0387294U JP 14760289 U JP14760289 U JP 14760289U JP 14760289 U JP14760289 U JP 14760289U JP H0387294 U JPH0387294 U JP H0387294U
- Authority
- JP
- Japan
- Prior art keywords
- writing
- writing medium
- surface side
- reading
- rollers
- 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 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14760289U JPH0387294U (cs) | 1989-12-21 | 1989-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14760289U JPH0387294U (cs) | 1989-12-21 | 1989-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0387294U true JPH0387294U (cs) | 1991-09-04 |
Family
ID=31694109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14760289U Pending JPH0387294U (cs) | 1989-12-21 | 1989-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0387294U (cs) |
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1989
- 1989-12-21 JP JP14760289U patent/JPH0387294U/ja active Pending