JPH03122189U - - Google Patents
Info
- Publication number
- JPH03122189U JPH03122189U JP3092890U JP3092890U JPH03122189U JP H03122189 U JPH03122189 U JP H03122189U JP 3092890 U JP3092890 U JP 3092890U JP 3092890 U JP3092890 U JP 3092890U JP H03122189 U JPH03122189 U JP H03122189U
- Authority
- JP
- Japan
- Prior art keywords
- chips
- house
- work
- outer bit
- bit
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3092890U JPH03122189U (en]) | 1990-03-28 | 1990-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3092890U JPH03122189U (en]) | 1990-03-28 | 1990-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03122189U true JPH03122189U (en]) | 1991-12-13 |
Family
ID=31533650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3092890U Pending JPH03122189U (en]) | 1990-03-28 | 1990-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03122189U (en]) |
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1990
- 1990-03-28 JP JP3092890U patent/JPH03122189U/ja active Pending