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Merck
SPME固相微萃取萃取头,二甲基硅氧烷/二乙烯基苯(PDMS/DVB) df 65 μm(PDMS/DVB, for use with autosampler, needle size 23 ga, metal alloy fiber

SPME固相微萃取萃取头,二甲基硅氧烷/二乙烯基苯(PDMS/DVB)

SPME固相微萃取萃取头,二甲基硅氧烷/二乙烯基苯(PDMS/DVB) df 65 μm(PDMS/DVB, for use with autosampler, needle size 23 ga, metal alloy fiber