JPH02130713U - - Google Patents
Info
- Publication number
- JPH02130713U JPH02130713U JP3945389U JP3945389U JPH02130713U JP H02130713 U JPH02130713 U JP H02130713U JP 3945389 U JP3945389 U JP 3945389U JP 3945389 U JP3945389 U JP 3945389U JP H02130713 U JPH02130713 U JP H02130713U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- length adjustment
- outer periphery
- adjustment fitting
- exposure length
- 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
- 230000001012 protector Effects 0.000 claims description 2
Landscapes
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3945389U JPH02130713U (en, 2012) | 1989-04-03 | 1989-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3945389U JPH02130713U (en, 2012) | 1989-04-03 | 1989-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130713U true JPH02130713U (en, 2012) | 1990-10-29 |
Family
ID=31548375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3945389U Pending JPH02130713U (en, 2012) | 1989-04-03 | 1989-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130713U (en, 2012) |
-
1989
- 1989-04-03 JP JP3945389U patent/JPH02130713U/ja active Pending