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经营范围
发明名称
Electrolytic production of fluorine
摘要
申请公布号
US1866969(A)
申请公布日期
1932.07.12
申请号
US19290377608
申请日期
1929.07.11
申请人
KARL FREDENHAGEN
发明人
FREDENHAGEN KARL
分类号
C25B1/24
主分类号
C25B1/24
代理机构
代理人
主权项
地址
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