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发明名称
Fremgangsmaade til Fremstilling af Jærnkærner.
摘要
申请公布号
DK66464(C)
申请公布日期
1948.03.22
申请号
DK19440002077
申请日期
1944.07.26
申请人
WILHELM JOHNSEN A/S
发明人
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主分类号
代理机构
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