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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0729057 (1991-07-12) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
The lens device includes a lens joined to a lens holder member, the lens holder member having a diverging wall portion that permits suction mounting of the lens device onto a substantially smooth surface. The lens is held by the lens holder member to permit a field of view through the lens and throu
A lens device comprising a lens holder member and a lens joined to said holder member, said lens holder member including means for forming a suction attachment of said lens holder member onto a substantially smooth surface, said lens holder member having an annular wall with a flexible radially defl
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