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发明名称
Improvements relating to suction cleaners
摘要
申请公布号
GB752635(A)
申请公布日期
1956.07.11
申请号
GB19540029980
申请日期
1953.10.21
申请人
HOOVER LIMITED
发明人
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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