- 专利标题: Portable electric hammer drill
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申请号: US39111申请日: 1995-05-18
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公开(公告)号: USD380132S公开(公告)日: 1997-06-24
- 设计人: Naoki Matsunaga , Hideaki Hasegawa , Yoshihiko Watanabe , Toshiaki Takagi , Seiichi Kodato
- 申请人: Naoki Matsunaga , Hideaki Hasegawa , Yoshihiko Watanabe , Toshiaki Takagi , Seiichi Kodato
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi Koki Company Limited
- 当前专利权人: Hitachi Koki Company Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX6-35183 19941118
公开/授权文献
- US5473530A Four-quadrant pulse width modulated DC/AC converter 公开/授权日:1995-12-05