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发明名称
Improvements in and relating to electric vacuum cleaners
摘要
申请公布号
GB357384(A)
申请公布日期
1931.09.24
申请号
GB19300029897
申请日期
1930.10.06
申请人
OTTO BRESGES;OTTO OFFERMANN
发明人
分类号
A47L5/24
主分类号
A47L5/24
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代理人
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