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经营范围
发明名称
Vacuum cleaners
摘要
申请公布号
US3097673(A)
申请公布日期
1963.07.16
申请号
US19590818693
申请日期
1959.06.08
申请人
THE SPENCER TURBINE COMPANY
发明人
HUNT DAVID H.
分类号
A47L5/38;A47L9/10;A47L9/14
主分类号
A47L5/38
代理机构
代理人
主权项
地址
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