JPS5389214A - Ptolemy tube - Google Patents
Ptolemy tubeInfo
- Publication number
- JPS5389214A JPS5389214A JP15541476A JP15541476A JPS5389214A JP S5389214 A JPS5389214 A JP S5389214A JP 15541476 A JP15541476 A JP 15541476A JP 15541476 A JP15541476 A JP 15541476A JP S5389214 A JPS5389214 A JP S5389214A
- Authority
- JP
- Japan
- Prior art keywords
- ptolemy
- tube
- ptolemy tube
- 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
- Underground Or Underwater Handling Of Building Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15541476A JPS5389214A (en) | 1976-12-23 | 1976-12-23 | Ptolemy tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15541476A JPS5389214A (en) | 1976-12-23 | 1976-12-23 | Ptolemy tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5389214A true JPS5389214A (en) | 1978-08-05 |
Family
ID=15605463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15541476A Pending JPS5389214A (en) | 1976-12-23 | 1976-12-23 | Ptolemy tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5389214A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6070222A (en) * | 1983-09-26 | 1985-04-22 | Kumagai Gumi Ltd | Underwater concrete placer |
JP2011214260A (en) * | 2010-03-31 | 2011-10-27 | Osaka City Univ | Device and method for feeding earth and sand |
-
1976
- 1976-12-23 JP JP15541476A patent/JPS5389214A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6070222A (en) * | 1983-09-26 | 1985-04-22 | Kumagai Gumi Ltd | Underwater concrete placer |
JP2011214260A (en) * | 2010-03-31 | 2011-10-27 | Osaka City Univ | Device and method for feeding earth and sand |
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