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发明名称
Disposable vacuum cleaner bag
摘要
申请公布号
US3416721(A)
申请公布日期
1968.12.17
申请号
US19670612878
申请日期
1967.01.31
申请人
STUDLEY PAPER COMPANY, INC.
发明人
FESCO JOHN J.
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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