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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0335955 (1981-12-30) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 54 인용 특허 : 3 |
An improved Z-fold closure for flexible bags such as thermoplastic bags comprising polyethylene film comprising a pressure sensitive adhesive strip and a protective strip having one or more ribs of sufficient stiffness and dimension so that the strip of adhesive is substantially contacted by only th
In a thermoplastic bag comprising a first wall and a second wall, said walls being sealingly joined along a major portion of their sides and bottom portions, an open mouth portion proximate to the top edges of said walls, said open mouth portion of said bag having a flap member which is an extension
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