METHOD OF PRODUCING FORGINGS WITH HOLE,申请号SU19802919258-传众专利搜索

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发明名称	METHOD OF PRODUCING FORGINGS WITH HOLE
摘要
申请公布号	SU929277(A1)	申请公布日期	1982.05.23
申请号	SU19802919258	申请日期	1980.05.06
申请人	DN ZAVOD METALL OBORUDOVANIYA	发明人	SPIRKOV ALEKSEJ A,SU;SAVORSKIJ VLADIMIR D,SU
分类号	B21D22/00;B21J5/00;(IPC1-7):B21D22/00	主分类号	B21D22/00
代理机构		代理人
主权项
地址

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