Structures of loose stones with or without piles (piles E02D5/00)

Engineering work in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering work in general > Structures or apparatus for, or methods of, protecting banks, coasts, or harbours > Moles; Piers; Quays; Quay walls; Groynes; Breakwaters > Structures of loose stones with or without piles

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 > Structures or apparatus for, or methods of, protecting banks, coasts, or harbours ( sealing or joints E02B3/16 ) > Moles; Piers; Quays; Quay walls; Groynes; Breakwaters > Structures of loose stones with or without piles (piles E02D5/00)