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7673/7683 扇形样品瓶盘
GN增菌液
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: FUEL RATING, A
CNW dSPE分散固相萃取纯化管(EN 15662:一般果蔬),粉状硫酸镁
CD-2887气相毛细管色谱柱
PROTECTIVE PLATE, WSS, 1250 X 600 X 5 MM 8 CORNER STABILIZER SET OF 4 PIECES FOR THE PROTECTIVE PL
气相色谱柱,TG-POLAR 105m x 0.25mm x 0.1μm
凯式定氮装置(全套)
1-(叔丁氧羰基)哌嗪
Graduated cylinder, SAN, class B, tall form, moulded scale, 25 ml