00376nam a2200097Ia 4500008004100000082001900041245009300060942000700153999001700160952010100177220204s9999    xx            000 0 und d  aNR:041967bIRS 0aInternational rubber study group: Summary of proceedings of the ninteenth assembly, 1967  cBK  c21125d21125  00104070aMAINbMAINd2021-12-16l0oNR:041967 IRSp01846r2021-12-16 00:00:00w2022-02-14yBK