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发明名称
Improvements relating to suction cleaners
摘要
申请公布号
GB669558(A)
申请公布日期
1952.04.02
申请号
GB19480031249
申请日期
1948.12.02
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;THOMAS FREDERICK STENT
发明人
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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