| http://www.w3.org/ns/prov#value | - m divalent hydrocarbylene radicals of 5 to 20 carbon atoms, divalent heterocyclic, alicyclic and aromatic radicals having from 3 to 50 carbon atoms, n is a positive integer and X is the radical Se-RSe; linear polymers having a repeating unit represented by the formula: L J wherein A is selected from divalent alkylene radicals having from 9 to 20 carbon atoms, divalent aromatic radicals from 6 to 5
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