00387nam a2200145Ia 4500008004100000082001800041245004200059260002200101650001200123650002500135650002800160650001800188650002500206650001000231220204s9999    xx            000 0 und d  aNR:62bPRO.35 0aProgress of the rubber industry. V 35  aLondonbIRIc1971  aBelting  aCellullar elastomers  aCompounding ingredients  aLatex testing  aSynthetic elastomers  aTyres