| prov:value
| - The fluorocarbon resins herein contemplated have the moieties: ##STR1## where X is --F, --Cl, --H, or --CF3 ; X' is --F, --Cl, --H, --CF3 or CF3 (CF2)m --; m is an integer of 1 to 5; and Y in the anodic portion 17 of the permionic membrane is --A, --??--A, --P--A, or --O--(CF2)n (P, Q, R)--A; and in the cathodic portion 15 of the permionic membrane Y may be --B, --??--B, --P--B, --O--(CF2)n (P, Q,
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