METHOD OF PRODUCING HOLLOW CYLINDRICAL ARTICLES OF STEPPED SHAPE,申请号SU19864073664-传众专利搜索

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发明名称	METHOD OF PRODUCING HOLLOW CYLINDRICAL ARTICLES OF STEPPED SHAPE
摘要
申请公布号	SU1360853(A1)	申请公布日期	1987.12.23
申请号	SU19864073664	申请日期	1986.05.11
申请人	ILLARIONOV LEONID G,SU;BETIN NIKOLAJ S,SU	发明人	ILLARIONOV LEONID G,SU;BETIN NIKOLAJ S,SU
分类号	B21D22/30;(IPC1-7):B21D22/30	主分类号	B21D22/30
代理机构		代理人
主权项
地址

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