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发明名称
VERFAHREN ZUR HERSTELLUNG VON FLACHEN RINGEN
摘要
申请公布号
DD136931(A1)
申请公布日期
1979.08.08
申请号
DD19780205893
申请日期
1978.06.09
申请人
FRANK,DETLEF,DD;WENKE,KARLHEINZ,DD;FRANK,RUDI,DD
发明人
FRANK,DETLEF,DD;WENKE,KARLHEINZ,DD;FRANK,RUDI,DD
分类号
B21D53/16;(IPC1-7):B21D53/16
主分类号
B21D53/16
代理机构
代理人
主权项
地址
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