JPS52155701U - - Google Patents
Info
- Publication number
- JPS52155701U JPS52155701U JP6446576U JP6446576U JPS52155701U JP S52155701 U JPS52155701 U JP S52155701U JP 6446576 U JP6446576 U JP 6446576U JP 6446576 U JP6446576 U JP 6446576U JP S52155701 U JPS52155701 U JP S52155701U
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1976064465U JPS556864Y2 (ko) | 1976-05-20 | 1976-05-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1976064465U JPS556864Y2 (ko) | 1976-05-20 | 1976-05-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52155701U true JPS52155701U (ko) | 1977-11-26 |
JPS556864Y2 JPS556864Y2 (ko) | 1980-02-15 |
Family
ID=28528621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1976064465U Expired JPS556864Y2 (ko) | 1976-05-20 | 1976-05-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS556864Y2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021525842A (ja) * | 2018-05-21 | 2021-09-27 | エピロック ロック ドリルス アクチボラグ | 掘削リグにおけるドリルビット交換システム、該交換システムを備えた掘削リグ及び該システムを使用するドリルビット交換方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2972388A (en) * | 1953-08-14 | 1961-02-21 | Bucyrus Erie Co | Well drill pipe-handling apparatus |
-
1976
- 1976-05-20 JP JP1976064465U patent/JPS556864Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2972388A (en) * | 1953-08-14 | 1961-02-21 | Bucyrus Erie Co | Well drill pipe-handling apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021525842A (ja) * | 2018-05-21 | 2021-09-27 | エピロック ロック ドリルス アクチボラグ | 掘削リグにおけるドリルビット交換システム、該交換システムを備えた掘削リグ及び該システムを使用するドリルビット交換方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS556864Y2 (ko) | 1980-02-15 |