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经营范围
发明名称
VACUUM CLEANER
摘要
申请公布号
CA457441(A)
申请公布日期
1949.06.21
申请号
CAD457441
申请日期
申请人
FERMAN C. DOUGHMAN
发明人
FERMAN C. DOUGHMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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