process for the manufacture of leather and of natural flower

摘要

the invention is an invention patent no training main rsr.82793 and consist of applying a soft textile material intense scamosat type finet, catifelin gentex, a self reticulabil adhesive consisting of 80 to 85 parts metacrilatde acrylate or - 2 - etol hexyl,13 - 14 parts acrylic or methacrylic acid, which apply the papillary of swine, pressure at 40 to 50 at.at a temperature of 50 - 60 degree c for three seconds, then semifabricatul undergoes surgery valcuire for 2 - 4 h.