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经营范围
发明名称
Procédé pour la fabrication d'un produit réfractaire.
摘要
申请公布号
CH282292(A)
申请公布日期
1952.04.30
申请号
CHD282292
申请日期
1947.08.25
申请人
L'ELECTRO-REFRACTAIRE
发明人
L'ELECTRO-REFRACTAIRE
分类号
C04B35/484
主分类号
C04B35/484
代理机构
代理人
主权项
地址
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