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波克罗夫斯基,M.N.
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波克罗夫斯基,M.N.
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历史学
俄罗斯历史
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波克罗夫斯基,M.N.
(1868-08-29~1932-04-10) 苏联历史学家、科学院院士。
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powder metallurgy iron-based products
powder metallurgy magnetic materials
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