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套装 15X45 样品瓶 /旋盖/钳口盖-组合装 100 4ML透明
间-(2-氨基乙基)-L-丝氨酸盐酸盐
乙腈中黑索今(环三亚甲基三硝胺)
[1,4-双(二苯基膦基)丁烷](1,5-环辛二烯)铑(I)四氟硼酸盐
BETASIL C18 5UM 250X4MM COLUMN
FEP TUBE CONNECTION M6 80
密封垫 KIM 钳口 聚四氟乙烯 13MM
DISPOSABLE PIPETTES, 25 UL, END TO END, CONFORMITY CERTIFIED, 1 PACK = 250 PCS./CYLINDER
BAGFASTENERS,MADE OF PLASTIC-COATED WIRE,RED, LENGTH 1000 MM,FOR BAG-WIDTH 50 - 180 MM
BERZELIUS BEAKER,DURAN