PDF(83 KB)
乙醇胺型阳离子皮革加脂剂的研制
韦文珍, 张玲
PDF(83 KB)
PDF(83 KB)
乙醇胺型阳离子皮革加脂剂的研制
Studies on the Making Preparation of Alcoholamine-type Positiveion Leecther Added-grease Reagent
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