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电测量仪表用永磁体
Permanent magnet for electrical measuring instrument
价格：￥0.00
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锰铜和新康铜电阻合金化学分析方法 高氯酸脱水重量法测定硅量
Method for chemical analysis of manganin and novokostant resistance alloy The perchloric acid dehydration gravimetric method for the determination of silicon content
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锰铜和新康铜电阻合金化学分析方法 硅钼兰光度法测定硅量
Method for chemical analysis of manganin and novokostant resistance alloy The molybdosilicate blue photometric method for the determination of silicon content
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锰铜和新康铜电阻合金化学分析方法 丁二酮肟重量法测定镍量
Method for chemical analysis of manganin and novokostant resistance alloy The dimenthylglyoxime gravimetric method for the determination of nickel content
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锰铜和新康铜电阻合金化学分析方法 电解重量法测定铜量
Method for chemical analysis of manganin and novokostant resistance alloy The electrolytic gravimetric method for the determination of copper content
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仪表用轴座
Axle seat for instruments
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仪表用轴尖
Pivots for instruments
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深波波纹管尺寸系列
Series of dimension for deep bellows
价格：￥0.00
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