JPS5724790A - Bottom expansion for building foundation and hole excavator therefor - Google Patents
Bottom expansion for building foundation and hole excavator thereforInfo
- Publication number
- JPS5724790A JPS5724790A JP9851880A JP9851880A JPS5724790A JP S5724790 A JPS5724790 A JP S5724790A JP 9851880 A JP9851880 A JP 9851880A JP 9851880 A JP9851880 A JP 9851880A JP S5724790 A JPS5724790 A JP S5724790A
- Authority
- JP
- Japan
- Prior art keywords
- building foundation
- bottom expansion
- hole excavator
- therefor
- excavator therefor
- 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
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9851880A JPS5724790A (en) | 1980-07-17 | 1980-07-17 | Bottom expansion for building foundation and hole excavator therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9851880A JPS5724790A (en) | 1980-07-17 | 1980-07-17 | Bottom expansion for building foundation and hole excavator therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5724790A true JPS5724790A (en) | 1982-02-09 |
Family
ID=14221864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9851880A Pending JPS5724790A (en) | 1980-07-17 | 1980-07-17 | Bottom expansion for building foundation and hole excavator therefor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5724790A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50106402A (en) * | 1974-01-31 | 1975-08-21 |
-
1980
- 1980-07-17 JP JP9851880A patent/JPS5724790A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50106402A (en) * | 1974-01-31 | 1975-08-21 |
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