04/03/2002 (Agence Europe) - On Monday, the European Commission authorised: - Johnson Professional Holdings Inc. to acquire the Dutch company DiverseyLever, a branch of the Unilever group specialised in industrial cleaning and hygiene products; and Merloni, which produces electrical household appliances, to acquire from the British company Marconi Corporation Plc a 50% stake in General Domestic Appliances. EUROPE will return with details.