CPC Subgroup
E02B 3/18 Reclamation of land from water (drainage of soil E02B11/00)
Full Title
Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites (barrages or weirs E02B7/00); Sealings or joints for engineering works in general > Reclamation of land from water (drainage of soil E02B11/00)