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发明名称
Способ выделения гелия
摘要
申请公布号
SU139312(A1)
申请公布日期
1960.11.30
申请号
SU19590648368
申请日期
1959.12.21
申请人
发明人
BURLACHENKO G.M.
分类号
C01B23/00;F25J3/02
主分类号
C01B23/00
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