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HEAD ONLY, FOR GAS WASHING BOTTLES, WITH SINTERED DISC P 1
PK5 20CM EMPTY GLASS COLUMN, NO FRIT
保护柱
1ml盒装管嘴
8ml螺纹盖PTFE离心管
填充柱3%二乙二醇丁二酸聚酯 on Chromosorb WAW 60/80
FID控制面板
Thremo IC单向阀密封圈
1,4-二乙酰苯
Ammonia solution 25% for HPLC