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MAINS-OPERATED REGENERATING UNIT FOR ENABLING MULTIPLE USAGE OF DRY BATTERIES OF TYPES R, 1R AND 6F22 WITHOUT DEGRADATION OF THEIR TECHNICAL CHARACTERISTICS
MAINS-OPERATED REGENERATING UNIT FOR ENABLING MULTIPLE USAGE OF DRY BATTERIES OF TYPES R, 1R AND 6F22 WITHOUT DEGRADATION OF THEIR TECHNICAL CHARACTERISTICS