GB/T 223.49-1994

Methods for chemical analysis of ironsteel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content

STANDARD published on 26.9.1994

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The information about the standard:

Designation standards: GB/T 223.49-1994
Publication date standards: 26.9.1994
Country: Chinese technical standard
Category: Technical standards GB