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2-甲氧基苯甲酸
3-溴色酮
废液桶(蓝色)
2,4’-DDT(o,p’-DDT)标准品,10ng/ul于环己烷
广口瓶,聚丙烯;聚丙烯螺旋盖,250ml容量
PicoTag Sample Tubes 样品管
MEAS. VESSEL 10ML FOR 695
铂,负载型催化剂I
SILICONE RUBBER SEALS, GL 32, DIM. 29 X 16 MM, WITHOUT WASHER
STIRRER GUIDES, BORE OF TUBE, INTERCHANGEABLE, BEARING SURFACE FIRE POSISHED, PK 14 MM, PK-BEARIN