JPS54121528A - Cave excavation method and its device - Google Patents
Cave excavation method and its deviceInfo
- Publication number
- JPS54121528A JPS54121528A JP2859678A JP2859678A JPS54121528A JP S54121528 A JPS54121528 A JP S54121528A JP 2859678 A JP2859678 A JP 2859678A JP 2859678 A JP2859678 A JP 2859678A JP S54121528 A JPS54121528 A JP S54121528A
- Authority
- JP
- Japan
- Prior art keywords
- excavation method
- cave excavation
- cave
- excavation
- 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 |
---|---|---|---|
JP2859678A JPS54121528A (en) | 1978-03-15 | 1978-03-15 | Cave excavation method and its device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2859678A JPS54121528A (en) | 1978-03-15 | 1978-03-15 | Cave excavation method and its device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54121528A true JPS54121528A (en) | 1979-09-20 |
Family
ID=12252962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2859678A Pending JPS54121528A (en) | 1978-03-15 | 1978-03-15 | Cave excavation method and its device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54121528A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6221995A (en) * | 1985-07-22 | 1987-01-30 | 飛島建設株式会社 | Shielding excavator |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48904U (en) * | 1971-05-27 | 1973-01-08 | ||
JPS5025529U (en) * | 1973-06-29 | 1975-03-24 |
-
1978
- 1978-03-15 JP JP2859678A patent/JPS54121528A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48904U (en) * | 1971-05-27 | 1973-01-08 | ||
JPS5025529U (en) * | 1973-06-29 | 1975-03-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6221995A (en) * | 1985-07-22 | 1987-01-30 | 飛島建設株式会社 | Shielding excavator |
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