| 摘要 |
Nail having at least one pair of asymmetric anchoring legs protruding in the same direction from a common main part, said anchoring legs having at each their wedge- shaped end a cutting edge which is formed from a longest sloping face and a counter shoulder face, characterised in that the main part 2d of the nail 1d is band-shaped and that the two by two identical and laterally reversed anchoring legs 3d are in line with each other in planes through inter-parallel extending parts 2d' of the band- shaped main part 2d. <IMAGE>
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