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发明名称
Improvements in or relating to mixing cement
摘要
申请公布号
GB672885(A)
申请公布日期
1952.05.28
申请号
GB19480032459
申请日期
1948.12.15
申请人
ROBERT WYNDHAM YOUNG
发明人
分类号
B01F7/00;B01F15/00
主分类号
B01F7/00
代理机构
代理人
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