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经营范围
发明名称
Production of nickel powder
摘要
申请公布号
US2233103(A)
申请公布日期
1941.02.25
申请号
US19380200418
申请日期
1938.04.06
申请人
HARDY METALLURGICAL COMPANY
发明人
MANTELL CHARLES LEIGH
分类号
C25C5/02
主分类号
C25C5/02
代理机构
代理人
主权项
地址
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