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-0596638 (1975-07-17) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 0 |
A building construction of precast concrete slabs having cored channels running therethrough. The slabs are arranged to define upstanding walls and horizontal floor-ceiling members. Openings concealed by the junctures between slabs, provide communication between channels of adjacent slabs. Further o
In a building construction employing precast concrete slabs having generally parallel core channels extending therethrough from one edge to an opposed edge between opposed faces thereof, the improvement comprising: a first of said slabs arranged to define an upstanding wall with its core channels ex
※ AI-Helper는 부적절한 답변을 할 수 있습니다.