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经营范围
发明名称
Dust separator and collector
摘要
申请公布号
US2182165(A)
申请公布日期
1939.12.05
申请号
US19380191454
申请日期
1938.02.19
申请人
THE SPENCER TURBINE COMPANY
发明人
SMITH LESTER C.
分类号
A47L5/18;A47L7/00;E21B21/07
主分类号
A47L5/18
代理机构
代理人
主权项
地址
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