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经营范围
发明名称
Distillation of readily volatilizable metals
摘要
申请公布号
US1950249(A)
申请公布日期
1934.03.06
申请号
US19330654965
申请日期
1933.02.02
申请人
FIRM FRLED. KRUPP GRUSONWERK AKTIENGESELLSCHAFT
发明人
JOHANNSCN FRIEDRLCH
分类号
C22B19/04
主分类号
C22B19/04
代理机构
代理人
主权项
地址
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