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n5google.
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provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:195463607
rdf:type
prov:Entity
prov:value
There is provided a light pointer and marking apparatus comprising in combination, a replaceable pen, an energy source, a laser diode or other light source, and a switch mounted in a housing, wherein the switch controllably couples energy from the energy source to the laser diode to produce a light beam for laser light pointing.
prov:wasQuotedFrom
n5:com
Subject Item
isap:156183208
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isa:195463607
Subject Item
isap:389439287
prov:wasDerivedFrom
isa:195463607