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发明名称
Improvements in or relating to cement mixtures
摘要
申请公布号
GB724674(A)
申请公布日期
1955.02.23
申请号
GB19530004021
申请日期
1953.02.12
申请人
FRITZ RODOLF CHRISTIANI;ALEXANDER OLDENBURG CHRISTIANI
发明人
分类号
C04B28/02
主分类号
C04B28/02
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