| 发明名称 |
드릴 비트(drill bit) |
| 摘要 |
내용 없음 |
| 申请公布号 |
KR850001854(A) |
申请公布日期 |
1985.04.10 |
| 申请号 |
KR19840005240 |
申请日期 |
1984.08.28 |
| 申请人 |
null, null |
发明人 |
줄리우스 더블류. 샌디 (외 2) |
| 分类号 |
B27G15/00 |
主分类号 |
B27G15/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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