| http://www.w3.org/ns/prov#value | - A reflective, collimating tubular skylight system comprising: a radiant energy collecting aperture having at least a minimum width W1 and a given area A1; a radiant energy delivering aperture having a given area A2; and a connecting passageway including a collimating section having a given length L, where said connecting passageway is disposed between said energy collecting aperture and said energ
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