92/23492 DC被替代
Amendment 3 To Iec 335 Safety Of Household And Similar Electrical Appliances - Part 2-21: 1989 Particular Requirements For Storage Water Heaters (to Be Included In Pren 60335-2-21: 1990 Possible Replacement For Bs 3456 Part 102 Section 102.21: 1988
出版：British Standards Institution
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