- 专利标题: Double-seated control valve plug
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申请号: US73457申请日: 1997-07-10
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公开(公告)号: USD421791S公开(公告)日: 2000-03-21
- 设计人: Hideo Ohtani , Ryoji Okutsu , Ryuji Shinozaki
- 申请人: Hideo Ohtani , Ryoji Okutsu , Ryuji Shinozaki
- 申请人地址: JPX Tokyo
- 专利权人: Yamatake-Honeywell Co., Ltd.
- 当前专利权人: Yamatake-Honeywell Co., Ltd.
- 当前专利权人地址: JPX Tokyo
公开/授权文献
- US5289409A Bipolar transistor memory cell and method 公开/授权日:1994-02-22
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