Auto Workers in Vii, % DETROIT Two of ihe automobile industry's three main qbinpanies had the new contract contract demands of the CIO United Au'to workers before them today. The union formally informed Chrysler Corp. on Saturday what it wants for its 75,000 members employed <by that firm. Negotiations already are underway underway with the Ford Motor Co. There the union is asking a $100 a month pensions for employes of 25 years service who retire at age 60, health and welfare benefits benefits and an hourly wage boost. The UAW did not specify its demand on Chrysler, but it was believed they followed the same general pattern.