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发明名称
VERFAHREN ZUM HERSTELLEN VON ZYLINDRISCHEN ROHRABSCHNITTEN
摘要
申请公布号
DD131996(A1)
申请公布日期
1978.08.16
申请号
DD19770199909
申请日期
1977.07.06
申请人
DOERING,KARL-HEINZ,DD;CHEDOR,DIETER,DD;FAHRIG,WILLI,DD
发明人
DOERING,KARL-HEINZ,DD;CHEDOR,DIETER,DD;FAHRIG,WILLI,DD
分类号
B21D22/28;(IPC1-7):B21D22/28
主分类号
B21D22/28
代理机构
代理人
主权项
地址
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