Способ упрочнения поверхностей черных металлов,申请号SU19480386751-传众专利搜索

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发明名称	Способ упрочнения поверхностей черных металлов
摘要
申请公布号	SU104193(A1)	申请公布日期	1955.11.30
申请号	SU19480386751	申请日期	1948.11.02
申请人	KREMERMAN G.M.;SHULMAN S.E.	发明人	KREMERMAN G.M.;SHULMAN S.E.
分类号	C21D7/13	主分类号	C21D7/13
代理机构		代理人
主权项
地址

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