China National Standards

China Test method spherical GB Standards List


  •  China "Test method spherical" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 42665-2023 Test method for spherical indentation strength of porous ceramics {译}
    多孔陶瓷球形压痕强度试验方法
    China National Standards
    Test method spherical

    English PDF
    GB/T 36655-2018 Test method for alpha crystalline silicon dioxide content of spherical silica powder for electronic packaging—XRD method
    电子封装用球形二氧化硅微粉中α态晶体二氧化硅含量的测试方法 XRD法
    China National Standards
    Test method spherical

    English PDF
    GB/T 25965-2010 Test methods of normal emittance of materials and hemispherical emittance of all-glass evacuated collector tubes
    材料法向发射比与全玻璃真空太阳集热管半球发射比试验方法
    China National Standards
    Test method spherical

    English PDF

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