China National Standards

China Audiometers 4:Equipment extended GB Standards List

  •  China "Audiometers 4:Equipment extended" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 7341.4-1998 Audiometers--Part 4:Equipment for extended high-frequency audiometry
    听力计 第4部分 延伸高频测听的设备    		 China National Standards
    Audiometers 4:Equipment extended
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