China National Standards

China frenquency GB Standards List

  •  China "frenquency" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 33228-2016 Aluminum alloy extruded tubes for high-frenquency electric transformer
    电站高频导电用铝合金挤压管材    		 China National Standards
    frenquency
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