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经营范围
发明名称
Lightweight abrasive prod.
摘要
<p>A granulated abrasive prod. such as silica, is incorporated in the mixt. of polymers, foaming catalysts, isocyanates and conventional additives used for prodn. of polyurethane foam, during the beating process.</p>
申请公布号
ES8504864(A1)
申请公布日期
1985.07.16
申请号
ES19720005268
申请日期
1983.10.28
申请人
GRIMA PUERTO LUIS V.
发明人
分类号
C08G71/04;C08G85/00;(IPC1-7):C08G85/00
主分类号
C08G71/04
代理机构
代理人
主权项
地址
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