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发明名称
Improvements in or relating to suction cleaners
摘要
申请公布号
GB470763(A)
申请公布日期
1937.08.18
申请号
GB19360004964
申请日期
1936.02.18
申请人
THE SCOTT & FETZER COMPANY
发明人
分类号
A47L9/30
主分类号
A47L9/30
代理机构
代理人
主权项
地址
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