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鱼肉粉基质中土霉素质控样
3,4-二羟基苯甲醛
多元素标准溶液BM
(I-)水中碘离子溶液标准物质
螺纹 20MM 红色 橡胶 0.138 用于
PREC.LOW TEMP.LAB.THERMOMETERS, YELLOW ENAMELLED, DIFFICO-GRAD.ORGANIC LIQUIDS -38+50|C, DIA.6-7
内插管 0.2ML 锥形瓶底 硅烷化用于 12X3
ERLENMEYER-FLASKS, NARROW NECK, MADE OF QUARTZ-SILICA, WITH RIM, DIN 12380, 750 ML, 118 X 200 MM
聚丙烯接头的O型圈
THERMOMETER FOR FLASKS AND STILL HEADS, CONE ST 14/23, ACC. TO DIN 12784, BLUE REFLECTION, PRISM