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发明名称
Vacuum cleaner filter bag
摘要
申请公布号
US3370406(A)
申请公布日期
1968.02.27
申请号
US19630326978
申请日期
1963.11.29
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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