| 发明名称 |
TWIST DRILL FOR MACHINING OF DEEP HOLES |
| 摘要 |
Twist drill for machining of deep holes contains two teeth and two main cutting edges with symmetrical double cutting edge angle in the plane and grinded core of drill. Double cutting edge angle has different values.
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| 申请公布号 |
UA19359(U) |
申请公布日期 |
2006.12.15 |
| 申请号 |
UA20060006468 |
申请日期 |
2006.06.09 |
| 申请人 |
UKRAINIAN ENGINEERING-PEDAGOGICAL ACADEMY |
发明人 |
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| 分类号 |
B23B51/02 |
主分类号 |
B23B51/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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