| 发明名称 |
OVERTURNING WATERGATE SYSTEM FOR AUTOMATICALLY CLOSING A SPACE BETWEEN A WATERGATE AND A GATE FRAME BY SHUTTING A GAP AMONG THE GATE FRAME, THE WATERGATE, AND A WALL BODY WITH SWELLING OUT A TUBE FORMED AT THE FRONT SIDE OF THE WATERGATE BY PRESSING A TUBE DISPOSED IN A REAR SIDE OF THE WATERGATE IN OPENING THE WATERGATE |
