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经营范围
发明名称
Kiesfilter für Tiefbohrsonden
摘要
申请公布号
AT221054(B)
申请公布日期
1962.05.10
申请号
AT19600009783
申请日期
1960.12.29
申请人
OESTERREICHISCHE MINERALOELVERWALTUNG AKTIENGESELLSCHAFT
发明人
ING. GEORG VARGA
分类号
主分类号
代理机构
代理人
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