IPC 2013 : E02D 13/08 : Removing obstacles.

IPC2013 > E > E02 > E02D > E02D 13/00 > E02D 13/08[1] > Removing obstacles.
Notes[t] E01 - E06: BUILDING
E SECTION E — FIXED CONSTRUCTIONS.
E02 HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING.
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS (specially adapted for hydraulic engineering E02B ); UNDERGROUND OR UNDERWATER STRUCTURES.
E02D 13/00 Accessories for placing or removing piles or bulkheads.
E02D 13/08 · Removing obstacles.