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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0078116 (1979-09-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 11 인용 특허 : 5 |
An improved drum closure assembly which includes a ring member and a cover member, the cover member being cooperatively sized for a fitted, overlapping relationship with the ring member. The ring member comprises outer and inner ring portions which are angularly displaced from parallel to one anothe
A drum closure assembly comprising: (A) a ring member made from resiliently, flexible plastic material, said ring member including: (i) an outer ring portion; (ii) an inner ring portion laterally displaced from said inner ring, said inner ring portion being less than about 10 degrees angularly displ
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