JPS63198645U - - Google Patents
Info
- Publication number
- JPS63198645U JPS63198645U JP9039387U JP9039387U JPS63198645U JP S63198645 U JPS63198645 U JP S63198645U JP 9039387 U JP9039387 U JP 9039387U JP 9039387 U JP9039387 U JP 9039387U JP S63198645 U JPS63198645 U JP S63198645U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- boom
- group
- pilot
- switching
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9039387U JPS63198645U (pt) | 1987-06-11 | 1987-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9039387U JPS63198645U (pt) | 1987-06-11 | 1987-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198645U true JPS63198645U (pt) | 1988-12-21 |
Family
ID=30950211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9039387U Pending JPS63198645U (pt) | 1987-06-11 | 1987-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198645U (pt) |
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1987
- 1987-06-11 JP JP9039387U patent/JPS63198645U/ja active Pending