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经营范围
发明名称
METODO DE PRODUCIR UN AEROGEL.
摘要
申请公布号
ES366886(A3)
申请公布日期
1971.03.16
申请号
ES19860003668
申请日期
1969.05.07
申请人
HOUGHTON HISPANIA, S. A.
发明人
分类号
B01D;C01B;(IPC1-7):01B/;01D/
主分类号
B01D
代理机构
代理人
主权项
地址
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