JPS61176263U - - Google Patents
Info
- Publication number
- JPS61176263U JPS61176263U JP5941785U JP5941785U JPS61176263U JP S61176263 U JPS61176263 U JP S61176263U JP 5941785 U JP5941785 U JP 5941785U JP 5941785 U JP5941785 U JP 5941785U JP S61176263 U JPS61176263 U JP S61176263U
- Authority
- JP
- Japan
- Prior art keywords
- inner circumferential
- circumferential surface
- hollow workpiece
- parallel rays
- 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
- 238000001259 photo etching Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- ing And Chemical Polishing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5941785U JPS61176263U (en]) | 1985-04-20 | 1985-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5941785U JPS61176263U (en]) | 1985-04-20 | 1985-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61176263U true JPS61176263U (en]) | 1986-11-04 |
Family
ID=30585828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5941785U Pending JPS61176263U (en]) | 1985-04-20 | 1985-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61176263U (en]) |
-
1985
- 1985-04-20 JP JP5941785U patent/JPS61176263U/ja active Pending