JPS6331988U - - Google Patents
Info
- Publication number
- JPS6331988U JPS6331988U JP12638686U JP12638686U JPS6331988U JP S6331988 U JPS6331988 U JP S6331988U JP 12638686 U JP12638686 U JP 12638686U JP 12638686 U JP12638686 U JP 12638686U JP S6331988 U JPS6331988 U JP S6331988U
- Authority
- JP
- Japan
- Prior art keywords
- peripheral edge
- protrusions
- utility
- scope
- ruler
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12638686U JPS6331988U (xx) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12638686U JPS6331988U (xx) | 1986-08-19 | 1986-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6331988U true JPS6331988U (xx) | 1988-03-01 |
Family
ID=31020143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12638686U Pending JPS6331988U (xx) | 1986-08-19 | 1986-08-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6331988U (xx) |
-
1986
- 1986-08-19 JP JP12638686U patent/JPS6331988U/ja active Pending