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US4233170A Water-glycol hydraulic fluid containing polyoxyalkylene ethers 失效
含有聚氧化烯醚的水 - 乙二醇液压油

Water-glycol hydraulic fluid containing polyoxyalkylene ethers
摘要:
A non-flammable hydraulic fluid comprises a water soluble alkylene oxide adduct of a nitrogen-free polyhydric alcohol having at least five hydroxyl groups, water and a glycol.
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