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经营范围
发明名称
WET OR DRY SHOP VACUUM CLEANER
摘要
申请公布号
CA897916(A)
申请公布日期
1972.04.18
申请号
CAD897916
申请日期
申请人
THE SINGER COMPANY
发明人
RICHARD M. FEGAN;EDMUND C. DUDEK
分类号
A47L7/00;A47L9/12;A47L11/30;B01D46/00;(IPC1-7):B01D46/00
主分类号
A47L7/00
代理机构
代理人
主权项
地址
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