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发明名称
Vacuum cleaner
摘要
申请公布号
US2039862(A)
申请公布日期
1936.05.05
申请号
US19330694094
申请日期
1933.10.18
申请人
GENERAL ELECTRIC COMPANY
发明人
WATTS NOBLE H.
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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