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18种农药混标溶液
变压器
大米粉基质中五氯硝基苯质控样
100 ML容量瓶,A级,棕标,玻璃塞
LiChroCART 100-4,6,LiChroprep 100 Si 25-40μm定制柱
容量瓶,BLAUBRAND ETERNA, A级,50 ml,宽颈,Boro 3.3, NS14/23 PP瓶塞,同一批次
2,2-双(4-羧基苯基)六氟丙烷
MULTIPLE ADAPTES, TWO NECKS, CONE ST 24/29, SOCKETS ST 19/26
Combustion boat, outer length 107 mm, inner length 102 mm, depth 16 mm, width 30 mm, without tail and hole, made of alumina (Al2O3)
ST 24/29 空心棕色玻璃塞