DYEEX
Laboratory apparatus in the nature of columns, reaction tubes, and receptacles, all containing [ chemical buffers, ] scientific laboratory equipment, namely, [ pipettes, bottles, ] collection tubes, collection receptacles; chromatographic columns, and reaction tubes; adaptors, connectors and closures for chromatographic columns; [ mountings and receptacles for chromatographic spin columns; ] synthetic filtering membranes
Registered · October 1, 1998 · 75562383 ·