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经营范围
发明名称
Apparatus for collecting dust
摘要
申请公布号
US2649924(A)
申请公布日期
1953.08.25
申请号
US19490126852
申请日期
1949.11.12
申请人
HERBERT SIMPSON CORPORATION
发明人
MCILVAINE ROBERT L.;YATES JAMES L.
分类号
B01D47/02;B01D47/14
主分类号
B01D47/02
代理机构
代理人
主权项
地址
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