GB/T 26974-2011 Specification for absorber of flat plate solar collector

GB/T 1800.3-1998 Limits and fits—Bases—Part 3:Numerical values tables of standard tolerances and fundamental deviations ISO 9488 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1720-2020 Circle-drawing test of coating films GB/T 1771-1991 Paints and varnishes—Determination of resistance to neutral salt spray GB/T 1771-2007 Paints and varnishes—Determination of resistance to neutral salt spray(fog) GB/T 1865-1997 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Filtered xenon-arc radiation GB/T 1865-2009 Paints and varnishes—Artificial weathering and exposure to artificial radiation—Exposure to filtered xenon-arc radiation GB 3100-1993 SI units and recommendations for the use of their multiples and of certain other units GB/T 12936-2007 Solar energy—Thermal application—Terminology GB/T 12936.1-1991 Solar energy—Thermal applications—Terminology part 1 GB/T 12936.2-1991 Solar energy—Thermal applications—Terminology Part 2 GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 25965-2010 Test methods of normal emittance of materials and hemispherical emittance of all-glass evacuated collector tubes GB/T 25968-2010 Test methods of solar transmittance and solar absorptance of materials by spectrophotometer GB/T 191-2025 Graphical symbols marking for handling and storage of packages