JPH01171697U - - Google Patents
Info
- Publication number
- JPH01171697U JPH01171697U JP6753988U JP6753988U JPH01171697U JP H01171697 U JPH01171697 U JP H01171697U JP 6753988 U JP6753988 U JP 6753988U JP 6753988 U JP6753988 U JP 6753988U JP H01171697 U JPH01171697 U JP H01171697U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- degrees
- center hole
- protractor
- straight line
- 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
- 239000002184 metal Substances 0.000 claims description 3
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6753988U JPH01171697U (enExample) | 1988-05-24 | 1988-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6753988U JPH01171697U (enExample) | 1988-05-24 | 1988-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171697U true JPH01171697U (enExample) | 1989-12-05 |
Family
ID=31292911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6753988U Pending JPH01171697U (enExample) | 1988-05-24 | 1988-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171697U (enExample) |
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1988
- 1988-05-24 JP JP6753988U patent/JPH01171697U/ja active Pending