China National Standards

China General specification electrodynamic GB Standards List

  •  China "General specification electrodynamic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 9397-2013 General specification for electrodynamic loudspeaker of direct radiator type
    直接辐射式电动扬声器通用规范    		 China National Standards
    General specification electrodynamic
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