China National Standards

China Nonmetallic coatings sintered GB Standards List

  •  China "Nonmetallic coatings sintered" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40793-2021 Nonmetallic coatings for sintered neodymium iron boron permanent magnets
    烧结钕铁硼表面涂层    		 China National Standards
    Nonmetallic coatings sintered
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