GB/T 235-2013《金属材料薄板和薄带反复弯曲试验方法》对较薄板产品检测的影响分析
GB/T 235-2013《금속재료박판화박대반복만곡시험방법》대교박판산품검측적영향분석
Analysis of Effect of GB/T 235-2013 on Testing of Thinner Sheets
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