China National Standards

China Criteria changing heavy GB Standards List

  •  China "Criteria changing heavy" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 30034-2013 Criteria for changing of heavy-duty vechicle gear oil(GL-5)
    重负荷车辆齿轮油（GL-5）换油指标    		 China National Standards
    Criteria changing heavy
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