Способ изготовления твердых, режущих сплавов,申请号SU19300063755-传众专利搜索

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发明名称	Способ изготовления твердых, режущих сплавов
摘要
申请公布号	SU19349(A1)	申请公布日期	1931.02.28
申请号	SU19300063755	申请日期	1930.02.04
申请人	FERS STERLING STIL KOMPANI	发明人	E.B. VELCH
分类号	B22F3/00;B22F1/02;C22B5/00;C22C29/00;C25D3/12	主分类号	B22F3/00
代理机构		代理人
主权项
地址

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