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经营范围
发明名称
Apparat til Fremstilling af Ozon.
摘要
申请公布号
DK56864(C)
申请公布日期
1939.10.30
申请号
DKD56864
申请日期
1938.08.17
申请人
KNUD POULSEN
发明人
KNUD POULSEN
分类号
主分类号
代理机构
代理人
主权项
地址
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