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发明名称
Способ использования кислых парафиновых гудронов
摘要
申请公布号
SU143794(A1)
申请公布日期
1961.11.30
申请号
SU19610697566
申请日期
1961.02.14
申请人
发明人
ANDRIYANOVA L.I.;SEREDA YA.I.
分类号
C10G21/08;C10G21/16
主分类号
C10G21/08
代理机构
代理人
主权项
地址
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