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发明名称
摘要
申请公布号	DE3319806(C2)	申请公布日期	1990.01.18
申请号	DE19833319806	申请日期	1983.06.01
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA GMBH, 4670 LUENEN, DE	发明人	STRADTMANN, WOLFGANG, 4670 LUENEN, DE;SEEBERGER, KLAUS, 4712 WERNE, DE;WOJACZEK, EGON, 4700 HAMM, DE
分类号	E21F15/04	主分类号	E21F15/04
代理机构		代理人
主权项
地址

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