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发明名称
Dust collector
摘要
申请公布号
US2327691(A)
申请公布日期
1943.08.24
申请号
US19400370444
申请日期
1940.12.17
申请人
ALLARDICE THOMAS B
发明人
ALLARDICE THOMAS B.
分类号
B04C5/04;B04C5/28
主分类号
B04C5/04
代理机构
代理人
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