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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0663715 (1991-03-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
A wall or a sea wall is formed by a number of female blocks and a number of male blocks which can be coupled together and which are parallelepiped. Each female block has a recess formed in the middle portion of the upper surface and in the lower surface so that a pair of flanges are formed on each s
A construction assembly comprising a plurality of female blocks and a plurality of male blocks which can be coupled together and which are substantially parallelepiped, each of said female blocks having a recess formed in a middle portion of an upper surface and in a lower surface thereof respective
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