Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
HB 8423.2-2014(2017) |
Methods for identifying metal material brands Part 2: Identifying titanium alloy brands by looking at spectra {译} 金属材料牌号鉴别方法 第2部分:看谱法鉴别钛合金牌号 |
China Aviation Industry
Standards Methods identifying metal |
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