Commission Decision of 29 November 2004 amending Decision 2002/887/EC authorising derogations from certain provisions of Council Directive 2000/29/EC in respect of naturally or artificially dwarfed plants of Chamaecyparis Spach, Juniperus L. and Pinus L., originating in Japan (notified under document number C(2004) 4441) (2004/826/EC)