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Stx-CLP 气相色谱柱 30m 0.25mm ID 0.25um
阿拉酸式苯标准品
66孔吸头盒(青岛阿尔发)
0.05mol/L氯化钠溶液
STIRRER RODS
SEALING RINGS (SILICONE + PTFE), FOR POLISHED SPHERICAL JOINTS, KS 35
TEST TUBE SUPPORTS,POLISHED HARDWOOD, 120X210X70 MM,12 OPENINGS
WASHING BOTTLES, PE, 500 ML
Bondesil PSA 填料
SILICONE TUBING 6/9 1M