IPC 2013 : E02B 15/02 : from ice.

IPC2013 > E > E02 > E02B > E02B 15/00 > E02B 15/02[1] > from ice.
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 15/00 Cleaning or keeping clear the surface of open water; Apparatus therefor (construction of ships or other waterborne vessels B63B, e.g. vessels specially adapted for collecting pollution from open water B63B 35/32; in swimming or splash baths or pools E04H 4/16).
E02B 15/02 · from ice.