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发明名称
Способ получения присадки к смазочным маслам
摘要
申请公布号
SU88063(A2)
申请公布日期
1951.11.30
申请号
SU19500412338
申请日期
1950.02.03
申请人
VELIKOVSKIJ D.S.
发明人
VELIKOVSKIJ D.S.
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