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经营范围
发明名称
Procédé de fabrication de produits réfractaires agglomérés
摘要
申请公布号
FR921561(A)
申请公布日期
1947.05.12
申请号
FRD921561
申请日期
1941.07.09
申请人
L'ELECTRO-REFRACTAIRE
发明人
JAQUIN PIERRE;DUBRAY JACQUES
分类号
C04B33/13
主分类号
C04B33/13
代理机构
代理人
主权项
地址
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