JPS57187893U - - Google Patents
Info
- Publication number
- JPS57187893U JPS57187893U JP7137881U JP7137881U JPS57187893U JP S57187893 U JPS57187893 U JP S57187893U JP 7137881 U JP7137881 U JP 7137881U JP 7137881 U JP7137881 U JP 7137881U JP S57187893 U JPS57187893 U JP S57187893U
- Authority
- JP
- Japan
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981071378U JPS6214236Y2 (pt) | 1981-05-21 | 1981-05-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981071378U JPS6214236Y2 (pt) | 1981-05-21 | 1981-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57187893U true JPS57187893U (pt) | 1982-11-29 |
JPS6214236Y2 JPS6214236Y2 (pt) | 1987-04-11 |
Family
ID=29867173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981071378U Expired JPS6214236Y2 (pt) | 1981-05-21 | 1981-05-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6214236Y2 (pt) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51158633U (pt) * | 1975-06-12 | 1976-12-17 | ||
JPS5390383U (pt) * | 1976-12-24 | 1978-07-24 | ||
JPS5689695A (en) * | 1979-12-18 | 1981-07-21 | Hitachi Construction Machinery | Tunnel excavator |
JPS57160396U (pt) * | 1981-04-02 | 1982-10-08 |
-
1981
- 1981-05-21 JP JP1981071378U patent/JPS6214236Y2/ja not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51158633U (pt) * | 1975-06-12 | 1976-12-17 | ||
JPS5390383U (pt) * | 1976-12-24 | 1978-07-24 | ||
JPS5689695A (en) * | 1979-12-18 | 1981-07-21 | Hitachi Construction Machinery | Tunnel excavator |
JPS57160396U (pt) * | 1981-04-02 | 1982-10-08 |
Also Published As
Publication number | Publication date |
---|---|
JPS6214236Y2 (pt) | 1987-04-11 |