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气相色谱柱
气相色谱柱 半岛bd体育手机客户端
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GC micropacked column for Valco Valve Oven, UltiMetal tubing, 38 mm coil, 5.58 feet (1.7 m) x 1/16 inch, 1 mm, HayeSep A packing, mesh size 80/100, preconditioned, coiled in 2 layers, with 50 cm x 1/16 inch, 0.75 mm welded ends 已有85关注该半岛bd体育手机客户端
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