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发明名称
Improvements in and relating to the manufacture of concrete
摘要
申请公布号
GB328030(A)
申请公布日期
1930.04.17
申请号
GB19280033719
申请日期
1928.11.17
申请人
JOHN STANLEY MORGAN
发明人
分类号
B28C5/00;C04B40/00
主分类号
B28C5/00
代理机构
代理人
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