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经营范围
发明名称
Improvements in and relating to refractory substances
摘要
申请公布号
GB602895(A)
申请公布日期
1948.06.04
申请号
GB19450022101
申请日期
1945.08.28
申请人
JEAN CHARLES FOURMANOIT
发明人
分类号
C04B20/10;C04B41/47
主分类号
C04B20/10
代理机构
代理人
主权项
地址
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