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经营范围
发明名称
Procédé pour la fabrication de matières poreuses artificielles
摘要
申请公布号
FR1108870(A)
申请公布日期
1956.01.18
申请号
FRD1108870
申请日期
1954.09.21
申请人
DUROX INTERNATIONAL
发明人
分类号
C04B38/02
主分类号
C04B38/02
代理机构
代理人
主权项
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