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发明名称
Procédé de préparation d'acétals polyvinyliques
摘要
申请公布号
BE448584(A1)
申请公布日期
1943.01.30
申请号
BE19420448584
申请日期
1942.12.31
申请人
Lonza-Werke Elektrochemische Fabriken G.m.b.H.
发明人
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