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由全国无损检测标准化技术委员会归口和制订的GB/T 186 94— 2 0 0 2《无损检测 超声检验 探头及其声场的表征》、GB/T 1885 2— 2 0 0 2《无损检测超声检验 测量接触探头声束特性的参考试块和方法》和GB/T 1885 1— 2 0 0 2《无损检测 渗透检验 标准试块》三项新国家标准
National Standardization Technical Committee for Nondestructive Testing centralized and developed GB / T 186 94-2002 “Nondestructive testing of ultrasonic testing probe and its sound field characterization”, GB / T 1885 2-20002 “Nondestructive testing ultrasonic testing measurement Reference probe and method of contact beam characteristics of the probe ”and GB / T 1885 1-2002“ non-destructive testing of penetration test standard test block ”three new national standards