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发明名称
Improvements in and relating to brushes and like cleaning devices
摘要
申请公布号
GB637208(A)
申请公布日期
1950.05.17
申请号
GB19470032853
申请日期
1947.12.12
申请人
JOSEPH THOMPSON
发明人
分类号
B60S3/00
主分类号
B60S3/00
代理机构
代理人
主权项
地址
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