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US5043497A Lubricating oil for traction drives 失效
润滑油用于牵引传动

Lubricating oil for traction drives
摘要:
A lubricating oil is disclosed, which mainly is composed of a naphthenic hydrocarbon having 19 carbon atoms comprising two cyclohexane rings which have methyl-substitution at the 1, 2 and 4 positions thereof, the two cyclohexane rings being linked by a methylene group.
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