China National Standards

China 3：Qualification GB Standards List

  •  China "3：Qualification" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 34630.3-2017 Friction stir welding—Aluminium and its alloys—Part 3：Qualification of welding operators
    搅拌摩擦焊 铝及铝合金 第3部分：焊接操作工的技能评定    		 China National Standards
    3：Qualification
    English PDF

    Find out:1Items   |  To Page of: First -Previous-Next -Last  | 1

    　

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2025 All Rights Reserved

    		- Since 2001 -
     Focus on China Standards & Compliance Services

    www.gbstandards.org
    China National Standards