GOST 21073 3-1975 Non-ferrous metals Determination of grain size bu calculation of grain intersections《有色金属 用颗粒断面计算法测定颗粒值》.pdf

相关资源

JIS M8101-1988 有色金属矿石中的采样试样制备及水分判定方法.pdf

CB 862.1-1988 有色金属锻件技术条件 铝合金模锻件和自由锻件.pdf

CB 1085.1-1989 仪器仪表制造工时定额 有色金属砂型铸造.pdf

CB 862.2-1988 有色金属锻件技术条件 铜合金模锻件和自由锻件.pdf

CB T 3696-1995 有色金属产品物资分类与代码.pdf

JB 5889-1991 绝缘子用有色金属铸件技术条件.pdf

DZ T 0101.9-1994 地质仪器仪表制造时间定额有色金属铸造.pdf

JB T 7677-2007 有色金属卧式挤压机.pdf

JB T 5000.5-1998 重型机械通用技术条件 有色金属铸件.pdf

JB T 5000.5-2007 重型机械通用技术条件 第5部分 有色金属铸件.pdf

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