China National Standards

China Qualification testing brazers GB Standards List

  •  China "Qualification testing brazers" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 41113-2021 Qualification testing of brazers and brazing operators
    硬钎焊工和硬钎焊操作工技能评定    		 China National Standards
    Qualification testing brazers
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