GB/T 10159-2023 Piano

GB/T 10159-2015 Piano

GB/T 3451-1982 Standard tuning frequency GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates—Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 9754-2007 Paints and varnishes—Determination of specular gloss of non-metallic paint films at 20°,60°and 85° GB 28489-2022 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 3832 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 6388-1986 Transport package shipping mark GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 23151-2008 Compiling regulation of the instructions of musical instruments QB/T 4131-2010 Keyboard instrument key width dimension series QB/T 4323-2012 piano string QB/T 3826-1999 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products Neutral salt spraying test(NSS) GB/T 191-2025 Graphical symbols marking for handling and storage of packages