GB/T 12105-2017 General technical requirements of electronic keyboards

GB/T 12105-2007 General technical requirements of electronic keyboards

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 6388-1986 Transport package shipping mark GB 8898-2011 Audio,video and similar electronic apparatus—Safety requirements GB/T 12106-2017 Requirements and methods of environmental test for electronic keyboards GB/T 13837-2012 Sound and television broadcast receivers and associated equipment—Radio disturbance characteristics—Limits and methods of measurement GB 17625.1-2012 Electromagnetic compatibility—Limits—Limits for harmonic current emissions(equipment input current ≤16 A per phase) GB/T 28489-2012 Limits of hazardous substances for musical instruments GB/T 31109-2014 Method of evaluation for acoustic quality of musical instrument GB/T 31731-2015 General technical specifications of recovering for waste musical instruments QB/T 4131-2010 Keyboard instrument key width dimension series QB/T 4487-2013 The method for measuring the audio performance of electric instruments