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发明名称
Cam operated mop device
摘要
申请公布号
US2882540(A)
申请公布日期
1959.04.21
申请号
US19530394933
申请日期
1953.11.30
申请人
SPONGE PRODUCTS CORPORATION
发明人
MARKER HENRY H.;GREENLEAF NATHANIEL B.
分类号
A47L13/146
主分类号
A47L13/146
代理机构
代理人
主权项
地址
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