00369nam a2200097Ia 4500008004100000082003600041245011100077260002900188650003000217650002400247220204s9999    xx            000 0 und d  aNR:62(083.74)AST1991bANN.09.01 0a1991 Annual book of ASTM standards. V 09.01. Rubber, natural, synthetic general test methods, carbon black  aPhiladelphiabASTMc1991  aCarbon black test methods  aRubber test methods