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发明名称
VACUUM CLEANER
摘要
申请公布号
CA300300(A)
申请公布日期
1930.05.20
申请号
CAD300300
申请日期
申请人
EDWIN JUELSON
发明人
EDWIN JUELSON
分类号
主分类号
代理机构
代理人
主权项
地址
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