00323nam a2200109Ia 4500008004100000082002300041245006700064260001700131650001700148650001500165650003300180220204s9999    xx            000 0 und d  aNR:063 1979bRRI;2 0aFirst annual conference on Indian standard natural rubber 1979  aCochinc1979  aBlock rubber  aLatex foam  aTechnically specified rubber