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发明名称
Floor and base board cleaner
摘要
申请公布号
US3060476(A)
申请公布日期
1962.10.30
申请号
US19620163429
申请日期
1962.01.02
申请人
CAUFIELD DONALD C
发明人
CAUFIELD DONALD C.
分类号
A47L11/162
主分类号
A47L11/162
代理机构
代理人
主权项
地址
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