00490nam a2200109Ia 4500008004100000082002400041245008400065260002900149505015000178650002900328650002300357220204s9999    xx            000 0 und d  aNR:678.0121970bRRM 0aManual of laboratory methods for chemical analysis of Hevea brasiliensis rubber  aKuala LumpurbRRIMc1973  aRevised version of Manual of Laboratory methods for chemical analysis of Hevea brasiliensis rubber and some materials used in the rubber industry  aRubber chemical analysis  aSolvent extraction