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发明名称
Converter for suction cleaners
摘要
申请公布号
US2450828(A)
申请公布日期
1948.10.05
申请号
US19430486632
申请日期
1943.05.12
申请人
THE HOOVER COMPANY
发明人
GERBER DALE C.
分类号
A47L5/32
主分类号
A47L5/32
代理机构
代理人
主权项
地址
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