GB/T 25454-2010 General specification for equalization equipment of electrophones musical instruments

GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 9384-1997 Environmental testing requirements and methods for broadcasting receivers, broadcasting television receivers, tape recorders and audio amplifiers GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 3240-1982 Preferred frequencies for the acoustical measurement GB/T 5465.2-1996 Graphical symbols for use on electrical equipment GB/T 5465.2-2008 Graphical symbols for use on electrical equipment—Part 2:Graphical symbols GB/T 5465.2-2023 Graphical symbols for use on electrical equipment—Part 2:Graphical symbols GB 8898-2001 Audio, video and similar electronic apparatus—Safety requirements GB 8898-2011 Audio,video and similar electronic apparatus—Safety requirements GB 13837-2003 Sound and television broadcast receivers and associated equipment—Radio disturbance characteristics—Limits and methods of measurement GB/T 13837-2012 Sound and television broadcast receivers and associated equipment—Radio disturbance characteristics—Limits and methods of measurement GB 17625.1-2003 Electromagnetic compatibility—limits—Limits—for harmonic current emissions(equipment input current≤16A per phase GB 17625.1-2012 Electromagnetic compatibility—Limits—Limits for harmonic current emissions(equipment input current ≤16 A per phase) GB 17625.1-2022 Electromagnetic compatibility—Limits—Part 1:Limits for harmonic current emissions(equipment input current ≤16 A per phase) SJ/T 11365-2006 SJ/T 11365-2006: Method for detecting toxic and harmful substances in electronic information products SJ/T 11363-2006 Requirements for concentration limits for certain hazardous substances in electronic information products SJ/T 11364-2006 Marking for control of pollution caused by electronic information products GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)