JPS49120802A - - Google Patents
Info
- Publication number
- JPS49120802A JPS49120802A JP3222073A JP3222073A JPS49120802A JP S49120802 A JPS49120802 A JP S49120802A JP 3222073 A JP3222073 A JP 3222073A JP 3222073 A JP3222073 A JP 3222073A JP S49120802 A JPS49120802 A JP S49120802A
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3222073A JPS49120802A (hu) | 1973-03-20 | 1973-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3222073A JPS49120802A (hu) | 1973-03-20 | 1973-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49120802A true JPS49120802A (hu) | 1974-11-19 |
Family
ID=12352843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3222073A Pending JPS49120802A (hu) | 1973-03-20 | 1973-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS49120802A (hu) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5581995A (en) * | 1978-12-15 | 1980-06-20 | Hitachi Construction Machinery | Fulllcasing type reverse circulation drill method and apparatus |
| JPS6192211A (ja) * | 1984-10-11 | 1986-05-10 | Honshu Paper Co Ltd | アンカ−工法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4730722U (hu) * | 1971-04-26 | 1972-12-07 |
-
1973
- 1973-03-20 JP JP3222073A patent/JPS49120802A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4730722U (hu) * | 1971-04-26 | 1972-12-07 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5581995A (en) * | 1978-12-15 | 1980-06-20 | Hitachi Construction Machinery | Fulllcasing type reverse circulation drill method and apparatus |
| JPS6137436B2 (hu) * | 1978-12-15 | 1986-08-23 | Hitachi Kenki Kk | |
| JPS6192211A (ja) * | 1984-10-11 | 1986-05-10 | Honshu Paper Co Ltd | アンカ−工法 |
| JPS64538B2 (hu) * | 1984-10-11 | 1989-01-06 | Honshu Seishi Kk |