최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0757168 (1985-07-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 1 |
A door with shutter device, having a door panel provided with a plurality of through holes, and a shutter panel moveably disposed to overlap the door panel, the shutter panel having a plurality of through holes of the same size, configuration and arrangement as the through holes of the door panel. T
A door construction, comprising: a first door panel a portion thereof having a plurality of openings, a shutter panel suspended from an upper part of said door by links and moveably disposed to overlap said door panel, said shutter panel having a plurality of openings of the same size, configuration
※ AI-Helper는 부적절한 답변을 할 수 있습니다.