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BDS-HYPERSIL-CYANO 5UM 10X3MM DROP-IN GUARDS 4/PK
溴乙酰溴
3-氨基-4-氯苯腈
PARAFILM M 封口膜，长度38 m，宽度100 mm
柠康酐
烧杯2000ml 塑料有柄
URINE COLLECTING BOTTLES, MADE OF POLYETHYLENE (PE), BLUE TRANSLUCENT, GRADUATED, WIDE NECK OF DIA. 80 MM, VOLUME 2.5 LITRES WITH SELF-ADHESIVE LABELS
醋酸纤维素膜
用于1/8充柱，100% 石墨垫
INERTSIL ODS-4 液相柱
