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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0841019 (1992-02-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 68 인용 특허 : 0 |
A thin flexible plastic bag having a permanently closed end and an open end with a main zipper closure formed of mateable male and female interlockable portions extending across the entire open end. The bag is provided with a stem and pinch valve construction with which the bag can be orally evacuat
An evacuatable or inflatable thin flexible plastic bag having a permanently closed end and an open end opposite the permanently closed end, a zipper closure having an open and closed position formed of mateable male and female interlockable portions extending across the entire open end for closing t
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