英文名称: | Vinyl acetal polymers, butyrals, sulfonated, sodium salt | Polyvinyl alcohol, butyraldehyde acetal, sulfonate, sodium salt | vinyl acetal polymers, butyrals, sulfonated, sodiumsalt | Vinyl acetal polymers,butyrals,sulfonated,sodium salt | Polyvinyl alcohol,butyraldehyde acetal,sulfonate,sodium salt |
|