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经营范围
发明名称
Hydrogen purifier
摘要
申请公布号
US2911057(A)
申请公布日期
1959.11.03
申请号
US19570675178
申请日期
1957.07.30
申请人
ENGELHARD INDUSTRIES, INC.
发明人
GREEN ROBERT BOYCE;HILL JAMES S.
分类号
C01B3/50;C25B11/08
主分类号
C01B3/50
代理机构
代理人
主权项
地址
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