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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0984848 (1992-12-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
A hammer includes a shaft having a beam and two bars and a hand grip having an opening and two holes for engagement with the beam and the bars, each of the holes includes a length longer than that of the bar such that a space is formed in each of the holes when the bar is engaged in the hole. The sp
A hammer comprising a shaft including a beam and a pair of bars extended therefrom, said beam being arranged between said bars, and a hand grip including an opening and a pair of holes longitudinally formed therein for engagement with said beam and said bars respectively such that said hand grip is
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