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Поливинилацетали. Методы определения ацетальных и ацетатных групп 聚乙烯缩醛 缩醛和乙酸酯基团的测定方法
实施日期: 1982-07-01
本标准适用于聚乙烯醇缩醛和方法用于确定缩醛和乙酸酯基团和polivinilformaletilale polivinilbutiralfurfurale的集
Настоящий стандарт распространяется на поливинилацетали и устанавливает методы определения ацетальных и ацетатных групп в поливинилформальэтилале и поливинилбутиральфурфурале
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BS EN 12632-1999
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DIN EN 12632
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UNE-EN 12632-2000
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WS/T 155-1999
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