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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0185532 (1980-09-09) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 105 인용 특허 : 0 |
An exhalation valve for inhalation therapy includes a base member provided with an exhalation port encircled by a valve seat for a valve closure disc, the center of which is connected to the inner end of a pin extending outwardly away from the disc and slidably mounted in a sleeve spaced from the di
An exhalation valve for inhalation therapy, comprising a base member provided with an exhalation port encircled by a valve seat, a valve closure disc for said port, a pin connected to the center of said disc and extending outwardly away from the side of the disc remote from the port, a sleeve spaced
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