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发明名称
Method for the production of tungsten and molybdenum
摘要
申请公布号
GB932168(A)
申请公布日期
1963.07.24
申请号
GB19600040426
申请日期
1960.11.24
申请人
MASASHI OKAGE
发明人
分类号
C22B34/30
主分类号
C22B34/30
代理机构
代理人
主权项
地址
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