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Method for designing a multiblade radial fan and a multiblade radial fan |
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2000-04-18 |
| 5741118 |
Multiblade radial fan and method for making same |
Makoto Hatakeyama |
1998-04-21 |
| 5502845 |
Siphon-jet flush water supply system for toilet stool |
Ryosuke Hayashi, Katsuichi Irifune, Yoshiki Ohta, Takashi Yoshioka, Osamu Tsutsui +5 more |
1996-04-02 |
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Water closet flushing apparatus |
Osamu Tsutsui, Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata |
1994-05-31 |
| 5259073 |
Water closet flushing apparatus |
Osamu Tsutsui, Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata |
1993-11-09 |
| 5155870 |
Water closet flushing apparatus |
Osamu Tsutsui, Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata |
1992-10-20 |
| 5133089 |
Water closet flushing apparatus |
Osamu Tsutsui, Atsuo Makita, Hirofumi Takeuchi, Shinji Shibata |
1992-07-28 |