01007, BURETTE DOUBLE CLAMP (PLASTIC) 蝶式滴定夹（塑料）Central boss allow to mounting on rods up to 14mm diameter. C01008, SINGLE SIDE BURETTE CLAMP (PLASTIC) 单边滴定夹（塑料）Central boss allow to mounting on rods up to 14mm diameter. C01009, BURETTE DOUBLE CLAMP (PLASTIC) 美式滴定夹（塑料）Central boss allow to ···