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发明名称
Improvements in or relating to cleaning devices for floors, windows, walls and the like
摘要
申请公布号
GB420134(A)
申请公布日期
1934.11.26
申请号
GB19340020634
申请日期
1934.07.13
申请人
THEODOR SENDLER
发明人
分类号
A47L13/146
主分类号
A47L13/146
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代理人
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