离心机 移液器 摇床
PHBJ-260雷磁-PHBJ-260型-便携式pH计
PHS-3G酸度计-PHS-3G型-雷磁
PHSJ-4F雷磁-PHSJ-4F型-pH计
PHS-25-数显精密酸度计PHS-25-数显
PHS-3C精密酸度计PHS-3C
PHSJ-5PH计