| 摘要 |
FIELD: construction.SUBSTANCE: rail comprises a bar and elements of its fixation to a site, in the bar there is a chamber with a cover, having perforation, besides, in the chamber cavity there is a solid or soft body impregnated with substance emitting odours that frighten away or destroy insects, small rodents.EFFECT: increased sanitary safety of entrances of residential and public buildings.2 cl, 2 dwg |
