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发明名称
Improvements in or relating to suction cleaners
摘要
申请公布号
GB342185(A)
申请公布日期
1931.01.29
申请号
GB19300007926
申请日期
1930.03.11
申请人
ALEX ALFRED CLARKE
发明人
分类号
A47L7/04
主分类号
A47L7/04
代理机构
代理人
主权项
地址
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