JPS6442391U - - Google Patents
Info
- Publication number
- JPS6442391U JPS6442391U JP13563087U JP13563087U JPS6442391U JP S6442391 U JPS6442391 U JP S6442391U JP 13563087 U JP13563087 U JP 13563087U JP 13563087 U JP13563087 U JP 13563087U JP S6442391 U JPS6442391 U JP S6442391U
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- guide
- sectional shape
- cross
- rock
- 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
- 239000011435 rock Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13563087U JPS6442391U (enExample) | 1987-09-07 | 1987-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13563087U JPS6442391U (enExample) | 1987-09-07 | 1987-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442391U true JPS6442391U (enExample) | 1989-03-14 |
Family
ID=31395430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13563087U Pending JPS6442391U (enExample) | 1987-09-07 | 1987-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442391U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415830A (en) * | 1977-06-27 | 1979-02-06 | Kouichi Hatakeyama | Roottcrop digger |
-
1987
- 1987-09-07 JP JP13563087U patent/JPS6442391U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415830A (en) * | 1977-06-27 | 1979-02-06 | Kouichi Hatakeyama | Roottcrop digger |
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