GB/T 4513.5-2017不定形耐火材料第5部分:试样制备和预处理国家标准
英文:Monolithic (unshaped) refractory products—Part5: Preparation and treatment of test pieces GB/T 4513.5-2017介绍: 国家标准《不定...
英文:Monolithic (unshaped) refractory products—Part5: Preparation and treatment of test pieces GB/T 4513.5-2017介绍: 国家标准《不定...