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发明名称
Obtention de gaz industriel
摘要
申请公布号
FR947880(A)
申请公布日期
1949.07.15
申请号
FRD947880
申请日期
1947.06.13
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
分类号
C01B3/30;C01B3/44
主分类号
C01B3/30
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