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发明名称
Improvements in and relating to vacuum cleaner dust bags
摘要
申请公布号
GB694415(A)
申请公布日期
1953.07.22
申请号
GB19520004890
申请日期
1952.02.25
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
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