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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2180694(A)
申请公布日期
1939.11.21
申请号
US19380223570
申请日期
1938.08.08
申请人
REED WALTER C
发明人
REED WALTER C.
分类号
A47L5/18;A47L9/02;A47L9/16
主分类号
A47L5/18
代理机构
代理人
主权项
地址
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