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发明名称
Cleaning implement
摘要
申请公布号
US2007536(A)
申请公布日期
1935.07.09
申请号
US19340713108
申请日期
1934.02.27
申请人
KNOTT ARTHUR J
发明人
KNOTT ARTHUR J.
分类号
A47L13/256
主分类号
A47L13/256
代理机构
代理人
主权项
地址
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