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GB 223.52-1987 Methods for chemical analysis of iron,steel and alloy; The hydroxylamine hydrochloride-iodometric method for the determination of selenium content (English)
Standard No. GB 223.52-1987 StatusLatest
LanguageEnglish File FormatPDF
Price60 USDDelivery Time within 1~3 business day
Superseding
Chinese Name �������Ͻ�ѧ�������� �����ǰ�-�������ⶨ����
English Name
Chinese Standard Classification
Professional Classification
ICS Classification
Issued on 1987-4-3
Implemented on 1988-3-1
Abolished on
Issued by 0
Chinese Pages
Word Count 2000 words
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