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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0026952 (1987-03-17) |
우선권정보 | DE-3623513 (1986-04-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 1 |
An aiming device (diopter) has an easily removable eyepiece with adjustable diaphragm mounted on one end of a housing portion which housing portion has a cavity eccentrically formed therein. A color filter disc and two polarizing filter discs are rotatably disposed in the cavity and provided with ci
An aiming device comprising: a tubular housing portion, an eyepiece containing an adjustable diaphragm mounted onto said housing portion from one axial end thereof, said housing portion having formed therein at the other axial end thereof a partially annular cavity arranged eccentrically so as to be
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