C.O.M.B. <CMCO> MAKES ACQUISITION C.O.M.B. Co said it has acquired the principal assets of National Tech Industries Inc and Telkom Corp, which are engaged in the sale and telemarketing of consumer electronic merchandise and do business as House of Imports and N.L. Industries respectively. The company said it paid a total of 8,700,000 dlrs, including the assumption of liabilities. National Tech had sales of about 23 mln dlrs for 1986, it said.