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发明名称
An improvement in or relating to centrifugal machines
摘要
申请公布号
GB344224(A)
申请公布日期
1931.03.05
申请号
GB19300007151
申请日期
1930.03.05
申请人
THOMAS BROADBENT & SONS, LIMITED;JOHN VICTOR LEVETT
发明人
分类号
B04B9/04
主分类号
B04B9/04
代理机构
代理人
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