VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON HOHLSTRAENGEN,申请号LU19770078744-传众专利搜索

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发明名称	VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON HOHLSTRAENGEN
摘要
申请公布号	LU78744(A1)	申请公布日期	1979.07.20
申请号	LU19770078744	申请日期	1977.12.21
申请人	ARBED SA	发明人
分类号	B22D11/00;(IPC1-7):B22D/	主分类号	B22D11/00
代理机构		代理人
主权项
地址

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