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1,2-Ethanediol, polymer with .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 1,1-methylenebis4-isocyanatobenzene Structure

1,2-Ethanediol, polymer with .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 1,1-methylenebis4-isocyanatobenzene