China National Standards

China Acoustics Procedures the GB Standards List

  •  China "Acoustics Procedures the" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 20242-2006 Acoustics - Procedures for the measurement of real-ear acoustical characteristics of hearing aids
    声学 助听器真耳声特性的测量方法    		 China National Standards
    Acoustics Procedures the
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