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Continuous method for deasphalting and demetallization of rohöldistillationsresidu.
Continuous method for deasphalting and demetallization of rohöldistillationsresidu.
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机译:连续蒸馏法对滚装蒸馏渣油进行脱沥青和脱金属处理。
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摘要
A new composition is described for the washing and the cleaning of the moulds for vulcanization of tyres and other rubber articles comprising: a) from 10 to 90% of an amine or of a mixture of amines; b) from 2 to 20% of a non-ionic or anionic surfactant or of a mixture of surfactants; c) from 90 to 10% of a solvent.
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