	siebe completes uistion of ranco rni siebe plc of the u k said it completed the uisition of ranco inc following approval by ranco shareholders according to the terms of the deal ranco holders will receive dlrs a share in cash ranco will be transferred to one of siebe s u s subsidiaries robertshaw controls co ranco produces automatic control devices and power controls that regulate temperature pressure time sequencing current fluid flow and humidity its teccor unit makes a specialized line of semiconductors reuter 
