JPS57151588A - Guyless derrick device - Google Patents
Guyless derrick deviceInfo
- Publication number
- JPS57151588A JPS57151588A JP3257081A JP3257081A JPS57151588A JP S57151588 A JPS57151588 A JP S57151588A JP 3257081 A JP3257081 A JP 3257081A JP 3257081 A JP3257081 A JP 3257081A JP S57151588 A JPS57151588 A JP S57151588A
- Authority
- JP
- Japan
- Prior art keywords
- guyless
- derrick device
- derrick
- guyless derrick
- 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.)
- Granted
Links
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3257081A JPS57151588A (en) | 1981-03-09 | 1981-03-09 | Guyless derrick device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3257081A JPS57151588A (en) | 1981-03-09 | 1981-03-09 | Guyless derrick device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57151588A true JPS57151588A (en) | 1982-09-18 |
JPS614758B2 JPS614758B2 (ja) | 1986-02-13 |
Family
ID=12362556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3257081A Granted JPS57151588A (en) | 1981-03-09 | 1981-03-09 | Guyless derrick device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57151588A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63171419U (ja) * | 1987-04-28 | 1988-11-08 | ||
JPH0541796Y2 (ja) * | 1987-08-17 | 1993-10-21 |
-
1981
- 1981-03-09 JP JP3257081A patent/JPS57151588A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS614758B2 (ja) | 1986-02-13 |
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