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发明名称
Vacuum cleaner dolly
摘要
申请公布号
US2177153(A)
申请公布日期
1939.10.24
申请号
US19360090343
申请日期
1936.07.13
申请人
ROSS OSCAR A;FORREST SHACKLEFORD
发明人
ROSS OSCAR A.;SHACKLEFORD FORREST
分类号
A47L9/00
主分类号
A47L9/00
代理机构
代理人
主权项
地址
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