METHOD OF MAKING ROLL-FORMED SPACED SECTIONS,申请号SU19915005148-传众专利搜索

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发明名称	METHOD OF MAKING ROLL-FORMED SPACED SECTIONS
摘要
申请公布号	RU1814574(C)	申请公布日期	1993.05.07
申请号	SU19915005148	申请日期	1991.10.09
申请人	DOKTOROV MARK E	发明人	DOKTOROV MARK E
分类号	B21D5/06;(IPC1-7):B21D5/06	主分类号	B21D5/06
代理机构		代理人
主权项
地址

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