China National Standards

China Determination effective depth GB Standards List

  •  China "Determination effective depth" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 5617-2005 Determination of effective depth of hardening after induction or flame hardening of steel
    钢的感应淬火或火焰淬火后有效硬化层深度的测定    		 China National Standards
    Determination effective depth
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