Es posible obtener la densidad relativa a partir de la densidad absoluta ρ20 a 20 °C:
Mark or sign cited in opposition: German word mark SHE for goods in Classes # and #, German figurative mark She for goods in Classes #, #, #, # and #, and international figurative mark She for goods in Classes #, #, #, # andEurLex-2 EurLex-2