DIE FOR EXPANDING HOLLOW WORK,申请号SU19721749802-传众专利搜索

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发明名称	DIE FOR EXPANDING HOLLOW WORK
摘要
申请公布号	SU602274(A1)	申请公布日期	1978.04.15
申请号	SU19721749802	申请日期	1972.02.21
申请人	IZHEVSKIJ MEKHANICHESKIJ INSTITUT	发明人	ZHVIK IGOR M,SU
分类号	B21D41/02;(IPC1-7):B21D41/02	主分类号	B21D41/02
代理机构		代理人
主权项
地址

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