DEVICE FOR HYDRAULIC EXPANSION OF RING ARTICLES UNDER PRESS ACTION,申请号SU19661116340-传众专利搜索

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发明名称	DEVICE FOR HYDRAULIC EXPANSION OF RING ARTICLES UNDER PRESS ACTION
摘要
申请公布号	SU232930(A1)	申请公布日期	1977.12.05
申请号	SU19661116340	申请日期	1966.11.30
申请人	SEMENOV E.I.,SU	发明人	SEMENOV E.I.,SU
分类号	B21D26/02;(IPC1-7):B21D26/02	主分类号	B21D26/02
代理机构		代理人
主权项
地址

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