| http://www.w3.org/ns/prov#value | - fibrous plastics material overlying each of said side surfaces of said core, each of said plies including substantially parallel reinforcing fibers, a resin-bonded outer covering on said overlapping plies and forming theouter surface of said blade, said resin-bonded overlapping plies and outer covering forming leading and trailing blade edge portions projecting substantially forwardly and rearwar
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