| 摘要 |
FIELD: fasteners of roof components of domestic and public buildings at construction of roofings. SUBSTANCE: roofing spikes are fastened on the anchor outlet in the attachment fitting of protective apron and sealing of holes for anchor outlets, and the protective apron is pressed from the top by nuts, holes in it for anchor outlets are sealed by gaskets, washers and paste. EFFECT: improved quality and enhanced reliability. 1 dwg
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