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Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content
Translate name
STANDARD published on 18.7.1985
Designation standards: GB/T 223.40-1985
Note: WITHDRAWN
Publication date standards: 18.7.1985
SKU: NS-876649
Country: Chinese technical standard
Category: Technical standards GB
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