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发明名称
UN PROCEDIMIENTO PARA OBTENER UN MATERIAL POLIMERICO EXPANSIBLE DE UNA CONFORMACIËN DESEADA
摘要
申请公布号
ES268717(A1)
申请公布日期
1961.12.16
申请号
ES19170002687
申请日期
1961.06.30
申请人
KOPPERS COMPANY INCORPORATED
发明人
分类号
C08J;(IPC1-7):C08J
主分类号
C08J
代理机构
代理人
主权项
地址
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