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发明名称
Treatment of metalliferous material
摘要
申请公布号
US1926032(A)
申请公布日期
1933.09.12
申请号
US19310533721
申请日期
1931.04.29
申请人
THE NEW JERSEY ZINC COMPANY
发明人
BUNCE EARL H.;LENTZ CLARENCE J.
分类号
C22B1/245
主分类号
C22B1/245
代理机构
代理人
主权项
地址
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