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经营范围
发明名称
Matériau réfractaire en magnésie et procédé pour sa fabrication
摘要
申请公布号
FR847389(A)
申请公布日期
1939.10.09
申请号
FRD847389
申请日期
1938.12.12
申请人
发明人
SOZZETTI GIUSEPPE
分类号
C04B35/043;C04B35/06;C04B38/06
主分类号
C04B35/043
代理机构
代理人
主权项
地址
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