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发明名称
VERFAHREN ZUR HERSTELLUNG VON POLYURETHANHARTSCHAUMSTOFFEN
摘要
申请公布号
DE1669958(B2)
申请公布日期
1971.11.25
申请号
DE19671669958
申请日期
1967.04.28
申请人
发明人
分类号
C08G77/46;C08J9/00;(IPC1-7):C08G41/00
主分类号
C08G77/46
代理机构
代理人
主权项
地址
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