Construction, repair, maintenance of dikes, barriers, breakwaters for the protection of maritime and river works; information, advice, consulting in regard to construction, repair, maintenance of dikes, barriers, breakwaters for the protection of maritime and river works; laying of concrete blocks for the protection of maritime and river works; information, advice, consulting in regard to laying concrete blocks for the protection of maritime and river works; technical support for laying concr...

Concrete Blocks for Protecting Coastal or River Structures