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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0305988 (1994-09-19) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 37 인용 특허 : 0 |
An electric hand drill set includes a case constituted by a casing closeable by a cover to define therein a first interior space and a second interior space. A hand drill is received and removably held within the first interior space. A power converting and supplying device, such as an adaptor, is r
An electric hand drill set comprising a case having a casing closeable by cover means to define therein a first interior space and a second interior space, a hand drill being received and removably held within the first interior space, a power converting and supplying device being received and remov
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