ROHRVERBINDUNG FUR EIN DOPPELROHRBOHRGESTANGE,申请号AT19760009732-传众专利搜索

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发明名称	ROHRVERBINDUNG FUR EIN DOPPELROHRBOHRGESTANGE
摘要
申请公布号	ATA973276(A)	申请公布日期	1978.04.15
申请号	AT19760009732	申请日期	1976.12.29
申请人	FERDINAND AUFSCHLAGER KG	发明人
分类号	E21B17/18;(IPC1-7):E21B17/04	主分类号	E21B17/18
代理机构		代理人
主权项
地址

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