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发明名称
Vacuum cleaner filter bags
摘要
申请公布号
GB879108(A)
申请公布日期
1961.10.04
申请号
GB19590032088
申请日期
1959.09.21
申请人
ALFRED VOGTLANDER
发明人
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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