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经营范围
发明名称
High-alumina cement
摘要
申请公布号
US3257219(A)
申请公布日期
1966.06.21
申请号
US19620234837
申请日期
1962.11.01
申请人
ALEXANDER KLEIN
发明人
KLEIN ALEXANDER
分类号
C04B7/32
主分类号
C04B7/32
代理机构
代理人
主权项
地址
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