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发明名称
Refining metal
摘要
申请公布号
US2125329(A)
申请公布日期
1938.08.02
申请号
US19350048854
申请日期
1935.11.08
申请人
NATIONAL LEAD COMPANY
发明人
BEHR GUSTAVE E.
分类号
C22B13/06
主分类号
C22B13/06
代理机构
代理人
主权项
地址
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