| 摘要 |
PCT No. PCT/SE86/00080 Sec. 371 Date Oct. 24, 1986 Sec. 102(e) Date Oct. 24, 1986 PCT Filed Feb. 24, 1986 PCT Pub. No. WO86/04939 PCT Pub. Date Aug. 28, 1986.Method for clearing a road culvert or the like which is choked with ice, wherein a substantially homogeneous rope of a material having at least a certain reversible extensibility is extended through the culvert from its inlet side to its outlet side and wherein the rope in its unloaded condition is clamped in connection with the outlet side and the inlet side respectively of the culvert so that the rope extends through the culvert. |
