JPS63171489U - - Google Patents
Info
- Publication number
- JPS63171489U JPS63171489U JP6442087U JP6442087U JPS63171489U JP S63171489 U JPS63171489 U JP S63171489U JP 6442087 U JP6442087 U JP 6442087U JP 6442087 U JP6442087 U JP 6442087U JP S63171489 U JPS63171489 U JP S63171489U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- excavation
- casing
- appear
- head
- 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
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6442087U JPS63171489U (en, 2012) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6442087U JPS63171489U (en, 2012) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63171489U true JPS63171489U (en, 2012) | 1988-11-08 |
Family
ID=30900562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6442087U Pending JPS63171489U (en, 2012) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63171489U (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155896A (en) * | 1979-05-22 | 1980-12-04 | Hitachi Construction Machinery | Rotary excavation bucket |
-
1987
- 1987-04-27 JP JP6442087U patent/JPS63171489U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155896A (en) * | 1979-05-22 | 1980-12-04 | Hitachi Construction Machinery | Rotary excavation bucket |
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