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经营范围
发明名称
Vacuum cleaner
摘要
申请公布号
US2245953(A)
申请公布日期
1941.06.17
申请号
US19380244830
申请日期
1938.12.09
申请人
LANDERS, FRARY & CLARK
发明人
ANDERSON OSCAR M.;ALMQUIST NILS T.
分类号
A47L9/14;A47L9/22
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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