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经营范围
发明名称
Method of producing metallic powders
摘要
申请公布号
US1804924(A)
申请公布日期
1931.05.12
申请号
US19280287033
申请日期
1928.06.20
申请人
NICHOLS COPPER COMPANY
发明人
FITZPATRICK EUGENE;CLARK CHARLES W.;TIERNAN PETER A.
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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