75783482
Aug 24, 1999
Aug 27, 2002
Active Trademark
[ Chemical apparatus, namely industrial columns for substance and heat exchange ]
Electrical and Scientific Apparatus[ distillation columns, rectification columns, absorption columns, desorption columns and extraction columns for substance and heat exchange and parts therefor; and columns for the separation of substances and parts therefor, namely structured packings, fillings and distributors for substance and heat exchange ] * Structured packings for distillation columns, rectification columns, absorption columns and desorption columns used for substance and heat exchange*
Environmental Control Apparatus