JPH01171694U - - Google Patents
Info
- Publication number
- JPH01171694U JPH01171694U JP6816988U JP6816988U JPH01171694U JP H01171694 U JPH01171694 U JP H01171694U JP 6816988 U JP6816988 U JP 6816988U JP 6816988 U JP6816988 U JP 6816988U JP H01171694 U JPH01171694 U JP H01171694U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- connecting pin
- rulers
- angled
- groove
- 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6816988U JPH01171694U (ko) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6816988U JPH01171694U (ko) | 1988-05-25 | 1988-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01171694U true JPH01171694U (ko) | 1989-12-05 |
Family
ID=31293492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6816988U Pending JPH01171694U (ko) | 1988-05-25 | 1988-05-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01171694U (ko) |
-
1988
- 1988-05-25 JP JP6816988U patent/JPH01171694U/ja active Pending