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7um PDMS SPME萃取头
PTFE 圆柱形磁力搅拌子 35*6mm
50/30umDVB/CAR on PDMS萃取头,2cm
100um PDMS SPME 萃取头
PTFE 圆柱形磁力搅拌子 15*6mm
PDMS/DVB萃取头套装
50/30μm DVB/CAR/PDMS萃取头,SPME自动
10mm/1mm PDMS/DVB萃取涂层,SBSE
萃取头套装3(60umPDMS/DVB,85umPA,100umPDMS)
65 μm CW/DVB萃取头,SPME自动