U.S. federal trademark · Serial No. 75783482 · Reg. No. 467812
[ Chemical apparatus, namely industrial columns for substance and heat exchange ]
* Structured packings for distillation columns, rectification columns, absorption columns and desorption columns used for substance and heat exchange *[ 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 ]
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