IPC 2013 : E02B 7/46 : Gates turning round a horizontal axis arranged midway of the flap.

IPC2013 > E > E02 > E02B > E02B 7/00 > E02B 7/46[3] > Gates turning round a horizontal axis arranged midway of the flap.
Notes[t] E01 - E06: BUILDING
E SECTION E — FIXED CONSTRUCTIONS.
E02 HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING.
E02B HYDRAULIC ENGINEERING (ship-lifting E02C; dredging E02F).
E02B 7/00 Barrages or weirs; Layout, construction, methods of, or devices for, making same (for protecting banks, coasts, or harbours E02B 3/04; sealings or joints E02B 3/16; handling building or like materials for hydraulic engineering E02D 15/00; foundations in general E02D 27/00).
E02B 7/46 · · · Gates turning round a horizontal axis arranged midway of the flap.