9 Substance separating columns for laboratory use, parts and accessories therefor, namely, elements for heat and substance transfer devices, in particular splitters, collectors, liquid dispensers, liquid collectors, fittings, separating trays, in particular bubble cap trays, filling bodies, structured packaging, random packaging; distillation, rectification, absorption, desorption and extraction columns for laboratory use, parts and accessories therefor, namely, heat and substance transfer devices, fittings, separating trays, in particular bubble cap trays, filling bodies, structured packaging, random packaging, control valves and built-in elements therefor.
Trademark: 79404982
