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20ML 未组装 顶空 便利包 含 压力释放
LABOCAP-CLOSURES, MADE OF ALUMINIUM, SILVER, FOR CULTURE GLASSES 15-16, PK 106
窄口瓶,低密度聚乙烯;聚丙烯螺旋盖,125ml容量
FS CAP SUPEL-Q PLOT W/GUARDS 50M .53MM
滴定瓶底座,适用于Schilling式自动回零滴定管,500 ml, 74 - 76 mm
ASTM-THERMOMETER (SOLID STEM), ASTM-NR. 71 C, WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE
DOWEX MARATHON A OH FORM 1KG
p-Ethynyloctylbenzene
2-氟乙醇
SPHERISORB ODS2 3UM 10X4MM DROP-IN GUARDS 4/PK