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See Chinese contents: GB 29142-2012 GB 29142-2012: Minimum allowable values of energy efficiency and energy efficiency grades for single-capped electrodeless fluorescent lamps
This standard specifies the energy efficiency grades, energy efficiency limit value, energy saving evaluation value, and test method of single-capped electrodeless fluorescent lamps. This standard applies to the external coupling and internal coupling single-capped electrodeless fluorescent lamps having a rated power of 30 W ~ 400 W.
