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发明名称
Cleaning device
摘要
申请公布号
US2113452(A)
申请公布日期
1938.04.05
申请号
US19350043371
申请日期
1935.10.03
申请人
LONG ANGUS S
发明人
LONG ANGUS S.
分类号
A47L1/15
主分类号
A47L1/15
代理机构
代理人
主权项
地址
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