| 1. | Methods for chemical analysis of molybdenum materials
钼材料的化学分析方法 |
| 2. | Methods for chemical analysis of tungsten materials
钨材料的化学分析方法 |
| 3. | Methods of chemical analysis for copper nickel resistance material
铜镍电阻材料的化学分析方法 |
| 4. | Methods for chemical analysis of thoriated tungsten materials
加有氧化钍的钨丝材料的化学分析方法 |
| 5. | Chemical analysis of graphite materials
石墨材料的化学分析 |
| 6. | Methods of chemical analysis for iron chromium electric heating material
铁铬电加热材料的化学分析方法 |
| 7. | Methods of chemical analysis for nickel chromium electric heating material
镍铬电加热材料的化学分析方法 |
| 8. | 1 methods of chemical analysis for iron chromium electric heating material amendment 1
铁铬电加热材料的化学分析方法 |
| 9. | 1 methods of chemical analysis for nickel chromium electric heating material amendment 1
镍铬电加热材料的化学分析方法 |
| 10. | Chemical analysis of ferrous materials . determination of bore in steel . spectrophotometric method
黑色金属材料的化学分析.钢中硼的测定.分光光度计法 |
