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发明名称
BRUNNENFILTER
摘要
申请公布号
DD271141(A1)
申请公布日期
1989.08.23
申请号
DD19880314167
申请日期
1988.03.30
申请人
VEB GEOLOGISCHE AUSRUESTUNGEN UND REPARATUREN,DD
发明人
CZAIKA,HORST,DD;TANNEBERGER,BERND,DD;SCHUPPAN,ULRICH,DD
分类号
E03B3/18;(IPC1-7):E03B3/18
主分类号
E03B3/18
代理机构
代理人
主权项
地址
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