JPS6123112Y2 - - Google Patents
Info
- Publication number
- JPS6123112Y2 JPS6123112Y2 JP13921480U JP13921480U JPS6123112Y2 JP S6123112 Y2 JPS6123112 Y2 JP S6123112Y2 JP 13921480 U JP13921480 U JP 13921480U JP 13921480 U JP13921480 U JP 13921480U JP S6123112 Y2 JPS6123112 Y2 JP S6123112Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- brackets
- overcutter
- arm
- pair
- 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.)
- Expired
Links
- 238000009412 basement excavation Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13921480U JPS6123112Y2 (de) | 1980-09-30 | 1980-09-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13921480U JPS6123112Y2 (de) | 1980-09-30 | 1980-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5760996U JPS5760996U (de) | 1982-04-10 |
JPS6123112Y2 true JPS6123112Y2 (de) | 1986-07-10 |
Family
ID=29499196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13921480U Expired JPS6123112Y2 (de) | 1980-09-30 | 1980-09-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6123112Y2 (de) |
-
1980
- 1980-09-30 JP JP13921480U patent/JPS6123112Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5760996U (de) | 1982-04-10 |
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