首页>
外国专利>
ROAD BARRIER OF HOLLOW SEMI-RIGID PLASTICS MATERIAL WITH RELEASABLE END COUPLING TO AN ADJACENT BARRIER: BRACING TUBES EXTEND BETWEEN SIDE WALLS TO MINIMISE DISTORTION WHEN BARRIERS FILLED WITH LIQUID
ROAD BARRIER OF HOLLOW SEMI-RIGID PLASTICS MATERIAL WITH RELEASABLE END COUPLING TO AN ADJACENT BARRIER: BRACING TUBES EXTEND BETWEEN SIDE WALLS TO MINIMISE DISTORTION WHEN BARRIERS FILLED WITH LIQUID
