Invention Grant
US07954974B2 Fire rated downlights 有权
防火筒灯

Fire rated downlights
Abstract:
A casing for a downlight having a tubular body from which the light of a lamp when installed in the body is emitted from the front of the body and having a rear end wall closing the body from the rear, wherein intumescent material is placed within the tubular body lining the tubular wall of the tubular body.
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