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发明名称
ROOM CLEANING DEVICE
摘要
申请公布号
CA334848(A)
申请公布日期
1933.08.15
申请号
CAD334848
申请日期
申请人
ALLAN RILEY
发明人
ALLAN RILEY
分类号
主分类号
代理机构
代理人
主权项
地址
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