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US5478492A Compositions comprising pentafluorobutane and trans-1,2-dichloroethylene and use of these compositions 失效
包含五氟丁烷和反式-1,2-二氯乙烯的组合物并使用这些组合物

Compositions comprising pentafluorobutane and trans-1,2-dichloroethylene
and use of these compositions
摘要:
The invention relates to compositions comprising 1,1,1,3,3-pentafluorobutane, 1,2-dichloroethylene and optionally a C1-C3 alkanol. These compositions can be used especially as solvents for cleaning and defluxing electronic components and for degreasing metals.
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