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发明名称
Vacuum floor cleaner
摘要
申请公布号
US1867477(A)
申请公布日期
1932.07.12
申请号
US19260145497
申请日期
1926.11.01
申请人
SODE FRANK E
发明人
SODE FRANK E.
分类号
A47L5/14
主分类号
A47L5/14
代理机构
代理人
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