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发明名称
VERFAHREN ZUM GEWINNEN VON UNVERFAERBTEM TROCKENEM POLYVINYL ALKOHOL
摘要
申请公布号
DE1921863(B2)
申请公布日期
1971.12.23
申请号
DE19691921863
申请日期
1969.04.29
申请人
发明人
分类号
C08F8/12;(IPC1-7):C08F27/16
主分类号
C08F8/12
代理机构
代理人
主权项
地址
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