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Supelcowax-10 毛细管柱
结晶紫标准品
3,3',4-三氯联苯
2,3-二氯苯乙酸甲酯
海水中的总大肠杆菌菌群量、粪大肠菌群、大肠杆菌、肠球菌(粪链球菌)和沙门氏菌
HEAD FOR GAS WASHING BOTTLES 100 ML WITH SOCKET ST 34/35 AND SINTERED DISC P0
生活饮用水31元素检测混合标准溶液
BEAKER WITH HANDLE, 2000 ML, TALL FORM, BOROSILICATE-GLASS, WITH GRADUATION AND SPOUT, AUTOCLAVA
23号锥型头自动进样器注射器,2ul
MICRO LAMBDA PIPETTES, TRANSFER TYPE, 500 UL, SUITABLE FOR CERTIFICATION, COLOR CODE 2 x BLACK