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发明名称
Vorrichtung zur Gewinnung von Helium
摘要
申请公布号
DE1889830(U)
申请公布日期
1964.03.26
申请号
DE1960U002873U
申请日期
1960.06.04
申请人
UNION CARBIDE CORPORATION
发明人
分类号
B01D53/22;C01B3/50;C01B3/56;C01B23/00
主分类号
B01D53/22
代理机构
代理人
主权项
地址
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