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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0352030 (1973-04-17) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 0 |
An electric hammer comprising a housing accommodating a stator, a hammer piston reciprocably mounted in the stator, and a shock absorber including a resilient member and an intermediate member disposed between the hammer piston and the resilient member, the mass of the intermediate member being grea
An electric hammer comprising: a housing; a stator accommodated in said housing; a hammer piston reciprocably mounted in said stator; a shock absorber accommodated in said housing and including a resilient member and an intermediate member disposed between said hammer piston and said resilient membe
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