Seoil Pacific Corp.
Seoil Pacific Corp. Patent applications | ||
Patent application number | Title | Published |
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20130255689 | DIRECTION SWITCHING VALVE UNIT AND COUGH ASSISTING DEVICE USING THE SAME - Provided is a direction switching valve unit and a cough assisting device using the same for inhaling to and exhaling from a patient's respiratory organ to induce a cough, the cough assisting device has a case body ( | 10-03-2013 |