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发明名称
VERFAHREN ZUM ABDICHTEN VON FUTTERROHRGEWINDEN
摘要
申请公布号
DD219242(A1)
申请公布日期
1985.02.27
申请号
DD19830256077
申请日期
1983.10.28
申请人
VEB KOMBINAT KALI,DB FORSCHUNG,DD
发明人
WESTHAUSE,HORST,DD;SAALBACH,BOTHO,DD;MUENCHOW,MICHAEL,DD;KRUMBEIN,JUERGEN,DD;GRUESCHOW,NORBERT,DD;FITZ,INGOMAR,DD
分类号
E21B33/00;(IPC1-7):E21B33/00
主分类号
E21B33/00
代理机构
代理人
主权项
地址
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