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气进样针
2-氨基二苯硫醚
乳酸杆菌选择性肉汤
BETASIL C18 3UM 100X2.1MM COLUMN
进样针
核黄素
氯铑酸铵
Transferpettor微量移液器吸头帽,conformity资格认证,10 μl,带有橙色标识
Extraction thimbles, I-?: 22 mm, length: 80 mm, cellulose Case = 25 pcs.
Process Chemistry, Pure PTFE, Standard Taper Joint Fitting,NPT Thread 1”, Cone Taper 45/-, 89x58mm