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发明名称
Procédé de préparation de substances réfractaires en forme de sphères creuses à partir de silicates contenant du magnésium
摘要
申请公布号
FR1307872(A)
申请公布日期
1962.10.26
申请号
FR19610881799
申请日期
1961.12.13
申请人
LONZA-WERKE ELEKTROCHEMISCHE FABRIKEN G. M. B. H.
发明人
ABRECHT HANS;BALB ALBERT
分类号
C04B35/16
主分类号
C04B35/16
代理机构
代理人
主权项
地址
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