JPH0168890U - - Google Patents
Info
- Publication number
- JPH0168890U JPH0168890U JP1987165844U JP16584487U JPH0168890U JP H0168890 U JPH0168890 U JP H0168890U JP 1987165844 U JP1987165844 U JP 1987165844U JP 16584487 U JP16584487 U JP 16584487U JP H0168890 U JPH0168890 U JP H0168890U
- Authority
- JP
- Japan
- Prior art keywords
- scale
- ruler
- light emitting
- emitting body
- light
- 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
- 230000004397 blinking Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987165844U JPH0168890U (th) | 1987-10-28 | 1987-10-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987165844U JPH0168890U (th) | 1987-10-28 | 1987-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0168890U true JPH0168890U (th) | 1989-05-08 |
Family
ID=31452699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987165844U Pending JPH0168890U (th) | 1987-10-28 | 1987-10-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0168890U (th) |
-
1987
- 1987-10-28 JP JP1987165844U patent/JPH0168890U/ja active Pending