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经营范围
发明名称
Dust collector
摘要
申请公布号
US1771852(A)
申请公布日期
1930.07.29
申请号
US19280258418
申请日期
1928.03.01
申请人
UNITED CIGARETTE MACHINE COMPANY, A. G.
发明人
LORENTZ VALENTIN
分类号
B01D46/02
主分类号
B01D46/02
代理机构
代理人
主权项
地址
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