Certain Steel Products from Belgium, Brazil, France, Italy, Luxembourg, the Netherlands, Romania, the United Kingdom, and West Germany: Determinations of the Commission in investigations nos. 701-TA-86 through 144, 701-TA-146, and 701-TA-147 (preliminary) under section 703(a) of the Tariff Act of 1930 and investigations nos. 731-TA-53 through 86 (preliminary) under section 733(a) of the Tariff Act of 1930, together with the information obtained in the investigations (parts I through V)