China National Standards

China Overlaying GB Standards List

  •  China "Overlaying" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 22652-2008 Overlaying-welding procedure qualification for valves sealing face
    阀门密封面堆焊工艺评定    		 China National Standards
    Overlaying
    English PDF

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

    　

    +86-755-25831330        [email protected] 
    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