China National Standards

China Guidance utilization classification GB Standards List

  •  China "Guidance utilization classification" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 41042-2021 Guidance for utilization and classification of content of valuable elements in coal
    煤中有价元素含量分级及应用导则    		 China National Standards
    Guidance utilization classification
    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  2001-2024 All Rights Reserved

    		- Since 2001 -
     Focus on China Standards & Compliance Services

    www.gbstandards.org
    China National Standards