JPH01128143U - - Google Patents
Info
- Publication number
- JPH01128143U JPH01128143U JP2357488U JP2357488U JPH01128143U JP H01128143 U JPH01128143 U JP H01128143U JP 2357488 U JP2357488 U JP 2357488U JP 2357488 U JP2357488 U JP 2357488U JP H01128143 U JPH01128143 U JP H01128143U
- Authority
- JP
- Japan
- Prior art keywords
- bar
- hammer
- head
- passive metal
- hammer pipe
- 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
- 239000002184 metal Substances 0.000 claims description 3
Landscapes
- Earth Drilling (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2357488U JPH01128143U (ko) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2357488U JPH01128143U (ko) | 1988-02-24 | 1988-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01128143U true JPH01128143U (ko) | 1989-09-01 |
Family
ID=31242680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2357488U Pending JPH01128143U (ko) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01128143U (ko) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930964U (ko) * | 1972-06-20 | 1974-03-16 |
-
1988
- 1988-02-24 JP JP2357488U patent/JPH01128143U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930964U (ko) * | 1972-06-20 | 1974-03-16 |