JPH0215693U - - Google Patents
Info
- Publication number
- JPH0215693U JPH0215693U JP9102988U JP9102988U JPH0215693U JP H0215693 U JPH0215693 U JP H0215693U JP 9102988 U JP9102988 U JP 9102988U JP 9102988 U JP9102988 U JP 9102988U JP H0215693 U JPH0215693 U JP H0215693U
- Authority
- JP
- Japan
- Prior art keywords
- rock
- slit
- forming device
- main body
- frame
- 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
- 239000011435 rock Substances 0.000 claims 6
- 238000010586 diagram 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 |
|---|---|---|---|
| JP9102988U JPH0617912Y2 (ja) | 1988-07-11 | 1988-07-11 | 岩盤用スリット形成装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9102988U JPH0617912Y2 (ja) | 1988-07-11 | 1988-07-11 | 岩盤用スリット形成装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0215693U true JPH0215693U (fr) | 1990-01-31 |
| JPH0617912Y2 JPH0617912Y2 (ja) | 1994-05-11 |
Family
ID=31315530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9102988U Expired - Lifetime JPH0617912Y2 (ja) | 1988-07-11 | 1988-07-11 | 岩盤用スリット形成装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617912Y2 (fr) |
-
1988
- 1988-07-11 JP JP9102988U patent/JPH0617912Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617912Y2 (ja) | 1994-05-11 |
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