| http://www.w3.org/ns/prov#value | - which are limited to use with an optical waveguide (e.g., an external clamp or retainer).Subclass 121: Transition between geometric shapes Subclass 127: Concentric Class 250: Radiant EnergyThis class provides for all methods and apparatus for using, generating, controlling or detecting radiant energy, combinations including such methods or apparatus, subcombinations of same and accessories there
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