JPS6216251Y2 - - Google Patents
Info
- Publication number
- JPS6216251Y2 JPS6216251Y2 JP16953981U JP16953981U JPS6216251Y2 JP S6216251 Y2 JPS6216251 Y2 JP S6216251Y2 JP 16953981 U JP16953981 U JP 16953981U JP 16953981 U JP16953981 U JP 16953981U JP S6216251 Y2 JPS6216251 Y2 JP S6216251Y2
- Authority
- JP
- Japan
- Prior art keywords
- shell
- rod
- sliding rod
- drilling
- frame
- 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 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 5
- 235000015170 shellfish Nutrition 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012136 culture method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16953981U JPS5875608U (ja) | 1981-11-14 | 1981-11-14 | 穿孔機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16953981U JPS5875608U (ja) | 1981-11-14 | 1981-11-14 | 穿孔機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5875608U JPS5875608U (ja) | 1983-05-21 |
| JPS6216251Y2 true JPS6216251Y2 (de) | 1987-04-24 |
Family
ID=29961527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16953981U Granted JPS5875608U (ja) | 1981-11-14 | 1981-11-14 | 穿孔機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5875608U (de) |
-
1981
- 1981-11-14 JP JP16953981U patent/JPS5875608U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5875608U (ja) | 1983-05-21 |
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