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GB 11261һ89
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Methods for chemical analysis of high carbon
chromium bearing steel
The pulse heating inert gas fusion-infra-red
absorption method for the determination
of oxygen content
1989-03-
GB_T 11261-1989 高碳铬轴承钢化学分析法 脉冲加热惰气熔融 红外线吸收法测定氧量.PDF