METHOD OF SHAPING SPIRAL-SEAM PIPES,申请号SU19823527045-传众专利搜索

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发明名称	METHOD OF SHAPING SPIRAL-SEAM PIPES
摘要
申请公布号	SU1103923(A1)	申请公布日期	1984.07.23
申请号	SU19823527045	申请日期	1982.12.24
申请人	VNI PK I METALL MASHINOSTROENIYA	发明人	BELYAKOV ALEKSANDR I,SU
分类号	B21C37/12;(IPC1-7):B21C37/12	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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