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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0265379 (1994-06-23) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
The present invention is a drill screw including a shank having a head at one end, a drill bit at the other end and a threaded section therebetween. The threaded section and the drill bit are operatively adapted such that drilling with the bit is performed by torquing the shank in a rotational direc
A drill screw with reamer comprising: a shank having a head at a first end, a drill bit at a second end and a threaded section therebetween, said threaded section having a continuous screw thread according to right-hand clockwise convention with a bevel means disposed at an end of said screw thread
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