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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0169523 (1988-03-17) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 3 |
A filter punch construction is provided for use in conjunction with a multiwell filtration device wherein each well includes a filtration membrane. The punch has a leading flat surface to which is secured an elongated piercing member having a sharp point and a following surface to which is secured a
A filter punch which comprises a punch section having a thickness and two opposing surfaces, a filter piercing member secured to an extending from one of said opposing surfaces, said one of said opposing surfaces comprising a flat surface, said filter piercing member having a sharp point and having
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