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发明名称
PRODUCTION OF REFRACTORY METALS
摘要
申请公布号
CA490185(A)
申请公布日期
1953.02.03
申请号
CAD490185
申请日期
申请人
BATTELLE MEMORIAL INSTITUTE
发明人
PHILIP J. MADDEX
分类号
主分类号
代理机构
代理人
主权项
地址
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