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发明名称
VERFAHREN ZUR HERSTELLUNG VON POLYKONDENSATEN DURCH UMSETZUNG VON MONOODER POLYPHENOLEN MIT TETRACARBONSAEUREDIANHYDRIDEN ODER DEN ENTSPRECHENDEN TETRACARBONSAEUREN UND DEREN VERWENDUNG
摘要
申请公布号
DE1770868(B2)
申请公布日期
1977.10.13
申请号
DE19681770868
申请日期
1968.07.12
申请人
发明人
分类号
B32B27/00;C08G8/00;C08J5/24;(IPC1-7):C08G63/20
主分类号
B32B27/00
代理机构
代理人
主权项
地址
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