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经营范围
发明名称
Purification of alkali metals by heat transfer
摘要
申请公布号
US2879157(A)
申请公布日期
1959.03.24
申请号
US19550538447
申请日期
1955.10.04
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
BATUTIS EDWARD F.;WALTERS SHELBY L.
分类号
C22B9/02;C22B26/10
主分类号
C22B9/02
代理机构
代理人
主权项
地址
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