Multi-lampholder and accessory retainment system
作者： Frank G. Smerz
DOI:
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摘要: A recessed lighting fixture includes a lamp and accessory retainment spring which has lower resilient portion for holding first size lamp, central mounting an upper second lamp. The may be used when is located in the portion.
lens.org 参考文章(4)
Robert M Kripp, Recessed light fixtures ,(1969)
Edwin F Guth, Recessed lighting fixture including pivotally mounted power supply ,(1969)
Jack Kaufman, Alvin R Lund, Recessed lighting fixture with tilting spotlight ,(1969)
Alexandre Kartavenko, Joseph A. Capostagno, Kingsley Chan, Lighting fixture with uniform mounting frame for new installations ,(1980)