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发明名称
Improvements in floor, furniture and like cleaning devices
摘要
申请公布号
GB359173(A)
申请公布日期
1931.10.22
申请号
GB19300029628
申请日期
1930.10.03
申请人
JAROSLAV ULBRYCH
发明人
分类号
A47L13/24
主分类号
A47L13/24
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代理人
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