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n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
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provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:91208478
rdf:type
prov:Entity
prov:value
An optical pipe illumination system is provided for coupling light from an illumination source to a number of output light pipes", which are used for a variety of purposes, such as illuminating pools, spas, hazardous material zones, jail cells, and other applications where direct lighting is dangerous, difficult to maintain, or subject to vandalism.
prov:wasQuotedFrom
n4:fr
Subject Item
isap:110620802
prov:wasDerivedFrom
isa:91208478