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发明名称
APPARATUS FOR REDUCING METALLIC OXIDES ORES WITHOUT MELTING
摘要
申请公布号
CA316273(A)
申请公布日期
1931.10.20
申请号
CAD316273
申请日期
申请人
WILLIAM H. SMITH
发明人
WILLIAM H. SMITH
分类号
主分类号
代理机构
代理人
主权项
地址
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