JPH0323471U - - Google Patents
Info
- Publication number
- JPH0323471U JPH0323471U JP8316589U JP8316589U JPH0323471U JP H0323471 U JPH0323471 U JP H0323471U JP 8316589 U JP8316589 U JP 8316589U JP 8316589 U JP8316589 U JP 8316589U JP H0323471 U JPH0323471 U JP H0323471U
- Authority
- JP
- Japan
- Prior art keywords
- marks
- same
- opposite directions
- back side
- scale
- 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
- 239000003550 marker Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8316589U JPH0323471U (ko) | 1989-07-14 | 1989-07-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8316589U JPH0323471U (ko) | 1989-07-14 | 1989-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0323471U true JPH0323471U (ko) | 1991-03-12 |
Family
ID=31630600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8316589U Pending JPH0323471U (ko) | 1989-07-14 | 1989-07-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0323471U (ko) |
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1989
- 1989-07-14 JP JP8316589U patent/JPH0323471U/ja active Pending