85427189
Sep 20, 2011
May 22, 2012
Chemical preparations, namely, chromatography chemicals in the nature of sorbent and support materials for use in solid phase extraction as chromatography column packing media in gas chromatography and/or air monitoring
ChemicalsGas trap unit in the nature of a flow-through cartridge used in the field of gas chromatography for gas purification and gas management
Electrical and Scientific Apparatus