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经营范围
发明名称
Improvements in automatic concrete block machines
摘要
申请公布号
GB861226(A)
申请公布日期
1961.02.15
申请号
GB19570010318
申请日期
1957.03.29
申请人
CORNELIUS O'CONNOR
发明人
分类号
B28B5/04
主分类号
B28B5/04
代理机构
代理人
主权项
地址
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