U.S. federal trademark · Serial No. 79159093 · Reg. No. 4857267
Consumables included in this class, namely, tin foil and copper ores for reduction of nitrogen oxide in combustion apparatus for nitrogen analysis
Combustion apparatus for nitrogen analysis and consumables therefor, in particular, sets comprising quartz glass tubes for use as combustion and reduction reactors, quartz glass reactor tubes filled with catalyst for inserting into the combustion apparatus, and ash containers made from ceramic
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