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发明名称
Vacuum cleaner dust bag
摘要
申请公布号
US2324231(A)
申请公布日期
1943.07.13
申请号
US19410416473
申请日期
1941.10.25
申请人
KONSTANTIN OSTERDAHL RAGNAR
发明人
OSTERDAHL RAGNAR KONSTANTIN
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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