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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2499330(A)
申请公布日期
1950.02.28
申请号
US19440549152
申请日期
1944.08.12
申请人
GENERAL MOTORS CORPORATION
发明人
REEVES DONALD H.
分类号
A47L5/22;A47L5/32;A47L9/00
主分类号
A47L5/22
代理机构
代理人
主权项
地址
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