China National Standards

China General specification multifunctional GB Standards List

  •  China "General specification multifunctional" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 12612-2005 General specification for multifunctional solution of iron and steel surface treatment
    多功能钢铁表面处理液通用技术条件    		 China National Standards
    General specification multifunctional
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