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发明名称
An improvement in or relating to mop heads
摘要
申请公布号
GB553392(A)
申请公布日期
1943.05.19
申请号
GB19420002465
申请日期
1942.02.25
申请人
JOHN WILLIAM TINKER
发明人
分类号
A47L13/24
主分类号
A47L13/24
代理机构
代理人
主权项
地址
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