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(20-1)Ca钙标液
具塞层析柱18X300
Tetraethyl (4,4'-Biphenylylenedimethylene)diphosphonate
LiChroCART 100-4,6,LiChrospher 100 NH2 5μm定制柱
o-Trifluoromethylbenzyl Chloride
THERMOMETER F.FLASKS A.STILL HEADS, CONE ST 14/23, -10+250oC:1, 125 MM
Bio-Bond C8 5μm 250 x 10.0mm
FLEXIBLE COUPLING FOR STIRRER, MADE OF PTFE/POLYAMIDE BETWEEN MOTOR AND STIRRER SHAFT, FOR SHAFT D
CLAMP FOR SOLVENT FILTRATION APPARATUS, EA
国产大肠杆菌 O157 快速检测试剂盒