JPS5652291A - Propelling apparatus for huge underground caisson - Google Patents
Propelling apparatus for huge underground caissonInfo
- Publication number
- JPS5652291A JPS5652291A JP8212580A JP8212580A JPS5652291A JP S5652291 A JPS5652291 A JP S5652291A JP 8212580 A JP8212580 A JP 8212580A JP 8212580 A JP8212580 A JP 8212580A JP S5652291 A JPS5652291 A JP S5652291A
- Authority
- JP
- Japan
- Prior art keywords
- propelling apparatus
- huge underground
- caisson
- underground caisson
- huge
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8212580A JPS5652291A (en) | 1980-06-19 | 1980-06-19 | Propelling apparatus for huge underground caisson |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8212580A JPS5652291A (en) | 1980-06-19 | 1980-06-19 | Propelling apparatus for huge underground caisson |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5652291A true JPS5652291A (en) | 1981-05-11 |
Family
ID=13765688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8212580A Pending JPS5652291A (en) | 1980-06-19 | 1980-06-19 | Propelling apparatus for huge underground caisson |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5652291A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60208723A (en) * | 1984-04-02 | 1985-10-21 | Canon Inc | Fast zoom lens of high variable power |
US5790316A (en) * | 1994-04-26 | 1998-08-04 | Canon Kabushiki Kaisha | Zoom lens |
US5842055A (en) * | 1996-06-25 | 1998-11-24 | Canon Kabushiki Kaisha | Lens barrel and optical apparatus |
-
1980
- 1980-06-19 JP JP8212580A patent/JPS5652291A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60208723A (en) * | 1984-04-02 | 1985-10-21 | Canon Inc | Fast zoom lens of high variable power |
US5790316A (en) * | 1994-04-26 | 1998-08-04 | Canon Kabushiki Kaisha | Zoom lens |
US5842055A (en) * | 1996-06-25 | 1998-11-24 | Canon Kabushiki Kaisha | Lens barrel and optical apparatus |
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