GB/T 25080-2010
AbolishedNiobium - Titannium alloy billets, bar and rod for superconducting applications
超导用Nb-Ti合金棒坯、粗棒和细棒
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Non-ferrous metals and its alloys--Code of designation
GB/T 466-1982
Classification of copper
GB/T 4702.8-1985
Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content
GB/T 4702.11-1985
Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
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Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content
GB/T 4702.10-1985
Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
GB/T 5235-1985
Wrought nickels and nickel alloys--Chemical composition and forms of wrought products