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发明名称
Improvements in vacuum cleaners
摘要
申请公布号
GB485551(A)
申请公布日期
1938.05.20
申请号
GB19360022919
申请日期
1936.08.20
申请人
THE COOPER-STEWART ENGINEERING COMPANY LIMITED;ALBERT REYNOLDS
发明人
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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