00399nam a2200097Ia 4500008004100000082001900041245011600060942000700176999001700183952010100200220204s9999    xx            000 0 und d  aNR:041964bIRS 0aInternational Rubber Study Group: Summary of proceedings of the seventeenth meeting, Tokyo, 18th-22nd May, 1964  cBK  c21358d21358  00104070aMAINbMAINd2021-12-16l0oNR:041964 IRSp02075r2021-12-16 00:00:00w2022-02-14yBK