JPH044987U - - Google Patents
Info
- Publication number
- JPH044987U JPH044987U JP4412290U JP4412290U JPH044987U JP H044987 U JPH044987 U JP H044987U JP 4412290 U JP4412290 U JP 4412290U JP 4412290 U JP4412290 U JP 4412290U JP H044987 U JPH044987 U JP H044987U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- screw
- cut
- blades
- screws
- 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.)
- Granted
Links
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4412290U JPH0735910Y2 (ja) | 1990-04-25 | 1990-04-25 | ケーシングスクリューの継手構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4412290U JPH0735910Y2 (ja) | 1990-04-25 | 1990-04-25 | ケーシングスクリューの継手構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH044987U true JPH044987U (cs) | 1992-01-17 |
| JPH0735910Y2 JPH0735910Y2 (ja) | 1995-08-16 |
Family
ID=31557140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4412290U Expired - Fee Related JPH0735910Y2 (ja) | 1990-04-25 | 1990-04-25 | ケーシングスクリューの継手構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735910Y2 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS518321U (cs) * | 1974-07-01 | 1976-01-21 |
-
1990
- 1990-04-25 JP JP4412290U patent/JPH0735910Y2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS518321U (cs) * | 1974-07-01 | 1976-01-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735910Y2 (ja) | 1995-08-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |