| 英文名称: | | Ployvinyl butyral | | Polyvinyl butyral resin | | Vinyl acetal polymers, butyrals | | poly(2-propyl-m-dioxane-4,6-diylene) | | butvar | | polyvinyl butyral resins | | polyvinylbutyral | | poly(vinyl butyral) | | Vinyl acetal polymers,butyrals | | polybutyral | | PVB(polyvinylbutyral) | | polyvinyl butyral |
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