JPS5938964Y2 - 管板，管群支持板等の孔明装置 - Google Patents
管板，管群支持板等の孔明装置Info
- Publication number
- JPS5938964Y2 JPS5938964Y2 JP9410280U JP9410280U JPS5938964Y2 JP S5938964 Y2 JPS5938964 Y2 JP S5938964Y2 JP 9410280 U JP9410280 U JP 9410280U JP 9410280 U JP9410280 U JP 9410280U JP S5938964 Y2 JPS5938964 Y2 JP S5938964Y2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- tube
- unit
- electric motor
- tube group
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 title claims description 15
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9410280U JPS5938964Y2 (ja) | 1980-07-04 | 1980-07-04 | 管板，管群支持板等の孔明装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9410280U JPS5938964Y2 (ja) | 1980-07-04 | 1980-07-04 | 管板，管群支持板等の孔明装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5718907U JPS5718907U (2) | 1982-01-30 |
| JPS5938964Y2 true JPS5938964Y2 (ja) | 1984-10-30 |
Family
ID=29456042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9410280U Expired JPS5938964Y2 (ja) | 1980-07-04 | 1980-07-04 | 管板，管群支持板等の孔明装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5938964Y2 (2) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6274537U (2) * | 1985-10-25 | 1987-05-13 | ||
| JP5368197B2 (ja) * | 2009-07-07 | 2013-12-18 | 日立ビアメカニクス株式会社 | プリント基板の穴明け方法及びプリント基板加工機 |
-
1980
- 1980-07-04 JP JP9410280U patent/JPS5938964Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5718907U (2) | 1982-01-30 |
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