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经营范围
发明名称
Dust filter in series with parallel rows of gas filters
摘要
申请公布号
US3149940(A)
申请公布日期
1964.09.22
申请号
US19610122980
申请日期
1961.07.10
申请人
OTTO HEINRICH DRAGER
发明人
WACHTER KARL-AUGUST
分类号
A62B19/00;B01D46/00;B01D46/10;B01D46/12;B01D46/52;B01D50/00;B01D53/04;F24F3/16;F24F13/28
主分类号
A62B19/00
代理机构
代理人
主权项
地址
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