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Article: German Inventors Develop Column Tray
- Article from:
- US Fed News Service, Including US State News
- Article date:
- June 26, 2007
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ALEXANDRIA, Va., June 26 -- Gottfried Dichtl of Nieder-Olm, Germany, and Ulrich Walter of Idstein, Germany, have developed a column tray assembly that includes a tray having passages formed therein.
According to the U.S. Patent & Trademark Office: "The tray is a multifunction tray and is configured to receiving appropriate superstructures which can be selected according to the respective use of the assembly. Superstructures which communicate with the passages are mounted to the tray. The superstructures have gas penetration holes embedded in such way that, when the superstructures are mounted to the tray, the orifices of the gas penetration holes extend in a perpendicular manner in ...
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