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发明名称
Folding mop head assembly
摘要
申请公布号
US2840843(A)
申请公布日期
1958.07.01
申请号
US19530365310
申请日期
1953.07.01
申请人
EKCO PRODUCTS COMPANY
发明人
VAVRINEK LE ROY J.
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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