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发明名称
SUCTION CLEANER
摘要
申请公布号
CA434720(A)
申请公布日期
1946.05.14
申请号
CAD434720
申请日期
申请人
THE HOOVER COMPANY
发明人
HARRY B. WHITE
分类号
主分类号
代理机构
代理人
主权项
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