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经营范围
发明名称
An improved concrete mixer
摘要
申请公布号
GB578806(A)
申请公布日期
1946.07.12
申请号
GB19440001174
申请日期
1944.01.21
申请人
JOHN CARRINGTON AHEARN
发明人
分类号
B28C5/18
主分类号
B28C5/18
代理机构
代理人
主权项
地址
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