China National Standards

China products—Part5： GB Standards List

  •  China "products—Part5：" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 4513.5-2017 Monolithic (unshaped) refractory products—Part5： Preparation and treatment of test pieces
    不定形耐火材料 第5部分：试样制备和预处理    		 China National Standards
    products—Part5：
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