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发明名称
Fremgangsmaade til Oparbejdelse af kryolitindeholdende Stoffer (Stenarte og andre Stoffer).
摘要
申请公布号
DK46999(C)
申请公布日期
1933.02.27
申请号
DKD46999
申请日期
1930.12.10
申请人
FRIED. KRUPP GRUSONWERK AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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