PRODUCTION OF SEAMLESS STEEL PIPES,申请号GB19840007887-传众专利搜索

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发明名称	PRODUCTION OF SEAMLESS STEEL PIPES
摘要
申请公布号	GB8407887(D0)	申请公布日期	1984.05.02
申请号	GB19840007887	申请日期	1984.03.27
申请人	MANNESMANN AG	发明人
分类号	B21B19/02;C21D8/10;C22C38/00;C22C38/04;(IPC1-7):B21C37/06	主分类号	B21B19/02
代理机构		代理人
主权项
地址

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