TWICESTER

Scientific apparatus and instruments for scientific and industrial purposes, namely, sampling devices for chromatographic apparatus; measuring and checking apparatus and instruments, in particular apparatus and instruments for the analytical and preparative treatment of solid, liquid and gaseous substances, namely, chromatography apparatus for laboratory use, hand-operated laboratory tools for manipulating laboratory samples, and apparatus for sampling, sample handling and sample injection of liquid and gaseous substances; traps for use in purge and trap chromatographs