Besonderhede van voorbeeld: 6878892342715226989

Metadata

Author: patents-wipo

Data

English[en]
Corrugated hollow closed water stop, concrete culvert using same, and construction method therefor
French[fr]
Arrêt d’eau fermé creux ondulé, ponceau en béton utilisant celui-ci, et son procédé de construction
Korean[ko]
주름형 중공 폐합지수판, 이를 이용한 콘크리트 암거 구조물, 및 그 시공방법

History

Your action: