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发明名称
Способ получения магнезиального портландцемента
摘要
申请公布号
SU52032(A1)
申请公布日期
1936.11.30
申请号
SU19310156533
申请日期
1931.11.03
申请人
LEFAND I.L.;SEROV V.V.
发明人
LEFAND I.L.;SEROV V.V.
分类号
C04B9/20
主分类号
C04B9/20
代理机构
代理人
主权项
地址
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