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发明名称
AGITATING DEVICE FOR VACUUM CLEANER FILTERS
摘要
申请公布号
CA538291(A)
申请公布日期
1957.03.19
申请号
CAD538291
申请日期
申请人
AIR-WAY INDUSTRIES
发明人
DEWY M. DOW
分类号
主分类号
代理机构
代理人
主权项
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