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hb 5422.21

hb 5422.21, Total:1 items.

In the international standard classification, hb 5422.21 involves: .

Professional Standard - Aviation, hb 5422.21

• HB 5422.21-1989 Chemical Analysis Methods of Copper Alloys Phosphorus Vanadium Molybdenum Yellow Absorption Spectrophotometry Determination of Phosphorus Content (Ⅱ)

Others:   hb 5422.21, hb 5318, hb 5219.14, hb 3451, hb 6142, HB 5505, hb 3653, hb 6500, hb 9110, hb 5297.23, hb 7800, hb 20040, hb 5930, hb 4987, hb 5792, hb 5488, hb 5367.8, hb 5143, hb 5079, hb 5153.