СПОСОБ ФОРМООБРАЗОВАНИЯ ФЛАНЦЕВ НА КОЛЬЦЕВЫХ ОБЕЧАЙКАХ,申请号SU19813283237-传众专利搜索

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发明名称	СПОСОБ ФОРМООБРАЗОВАНИЯ ФЛАНЦЕВ НА КОЛЬЦЕВЫХ ОБЕЧАЙКАХ
摘要
申请公布号	RU978430(C)	申请公布日期	2005.03.20
申请号	SU19813283237	申请日期	1981.01.29
申请人		发明人
分类号	B21D19/08	主分类号	B21D19/08
代理机构		代理人
主权项
地址

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