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11MM 黄色 铝 螺口 密封垫
对氟苯甲酰氯
Diammonium Cobalt(II) Sulfate Hexahydrate
TEST TUBE FIOLAX WITH BEADED RIM
50 ml 锥底离心管,无菌
HYPURITY CYANO 5UM 10X2.1MM DROP-IN GUARDS 4/PK
EMBEDDING FRAMES, POM, DISPOSABLE WITH CLIP CLOSURE, 40 X 28 X 7 MM, COLOR-CODE: PINK, 500 PCS. PE
气相色谱柱,TRACE TR-1 气相柱, 30m, 0.32mmID, 1μm 液膜厚度
比重计
吡嗪酰胺