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发明名称
Coal washer box
摘要
申请公布号
US1806493(A)
申请公布日期
1931.05.19
申请号
US19280265734
申请日期
1928.03.29
申请人
NORTONS (TIVIDALE) LIMITED
发明人
NORTON BERTRAM
分类号
B03B5/24
主分类号
B03B5/24
代理机构
代理人
主权项
地址
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