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经营范围
发明名称
An improved manufacture of refractory materials
摘要
申请公布号
GB572965(A)
申请公布日期
1945.10.31
申请号
GB19430011097
申请日期
1943.07.08
申请人
BASIC REFRACTORIES INC.
发明人
分类号
C04B35/047
主分类号
C04B35/047
代理机构
代理人
主权项
地址
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