GeoMattress Tubular(Double Layer tubular GeoMattress) Geosynthetics.pdf 튜브 매트를 이용한 방조제 필터 시공법.pdf ⚫GeoMarine Double Layer Tubular GeoMattress Flexible tubular mattress is a fast and effective river bund erosion protection method where the system is durable, permeable, enhancing natural vegetation growth and does not harm the environment. Ge..