JPS61173588U - - Google Patents
Info
- Publication number
- JPS61173588U JPS61173588U JP5643685U JP5643685U JPS61173588U JP S61173588 U JPS61173588 U JP S61173588U JP 5643685 U JP5643685 U JP 5643685U JP 5643685 U JP5643685 U JP 5643685U JP S61173588 U JPS61173588 U JP S61173588U
- Authority
- JP
- Japan
- Prior art keywords
- joint
- drilling rod
- main body
- hollow part
- view
- 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
- 238000005553 drilling Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5643685U JPS61173588U (cs) | 1985-04-15 | 1985-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5643685U JPS61173588U (cs) | 1985-04-15 | 1985-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61173588U true JPS61173588U (cs) | 1986-10-28 |
Family
ID=30580026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5643685U Pending JPS61173588U (cs) | 1985-04-15 | 1985-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61173588U (cs) |
-
1985
- 1985-04-15 JP JP5643685U patent/JPS61173588U/ja active Pending
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