JPS56127595A - Expansion device for three stage boom - Google Patents
Expansion device for three stage boomInfo
- Publication number
- JPS56127595A JPS56127595A JP3146180A JP3146180A JPS56127595A JP S56127595 A JPS56127595 A JP S56127595A JP 3146180 A JP3146180 A JP 3146180A JP 3146180 A JP3146180 A JP 3146180A JP S56127595 A JPS56127595 A JP S56127595A
- Authority
- JP
- Japan
- Prior art keywords
- expansion device
- stage boom
- boom
- stage
- expansion
- 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 |
---|---|---|---|
JP3146180A JPS56127595A (en) | 1980-03-11 | 1980-03-11 | Expansion device for three stage boom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3146180A JPS56127595A (en) | 1980-03-11 | 1980-03-11 | Expansion device for three stage boom |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56127595A true JPS56127595A (en) | 1981-10-06 |
JPS6131717B2 JPS6131717B2 (en) | 1986-07-22 |
Family
ID=12331895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3146180A Granted JPS56127595A (en) | 1980-03-11 | 1980-03-11 | Expansion device for three stage boom |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56127595A (en) |
-
1980
- 1980-03-11 JP JP3146180A patent/JPS56127595A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6131717B2 (en) | 1986-07-22 |
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