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| Number | Title | Issue Date |
| 5983413 | High performance flush toilet A flush toilet bowl comprises a bowl part (1) and a discharge trap (2) formed continuously at the bottom of the bowl part, and the discharge trap (2) further comprises a rising channel (22) extending in the obliquely upward direction from the bottom of th... | 11/16/1999 |
| 5155870 | Water closet flushing apparatus A water closet flushing apparatus provided with a pressure detector mounted along a water supply pipe, an opening and closing apparatus to open and close a water supply passage provided along the water supply pipe and a control apparatus that uses the pre... | 10/20/1992 |
