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ashless detergent, and low ash lubricant oil formulation
ashless detergent, and low ash lubricant oil formulation
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机译:无灰清洁剂和低灰分润滑油配方
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摘要
The present invention is directed to formulated lubricating oils containing ashless detergents comprising the products resulting from the reaction of a sulfonic acid with an alkyl primary or secondary amine.
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