专利名称：Retrofit louvre for lighting fixture发明人：Thomas B. Totten申请号：US06/628221申请日：19840706公开号：US04613929A公开日：19860923
摘要：A troffer extension attachable to the walls of a lighting troffer, and withportions of a ceiling to raise the troffer relative to the ceiling, and having extensionmembers, upper devices on one end of the members for engaging the troffer, and, lowerdevices on the other ends of the members for engaging the ceiling.
申请人：TOTTEN; THOMAS B.
代理人：George A. Rolston
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