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经营范围
发明名称
PROCESS FOR PREPARING A REFRACTORY MATERIAL
摘要
申请公布号
YU34585(B)
申请公布日期
1979.10.31
申请号
YU19720000908
申请日期
1972.04.04
申请人
ELKEM A/S
发明人
分类号
C04B35/14;(IPC1-7):C04B35/14
主分类号
C04B35/14
代理机构
代理人
主权项
地址
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