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发明名称
Dust bag for vacuum cleaners
摘要
申请公布号
US2592507(A)
申请公布日期
1952.04.08
申请号
US19480065642
申请日期
1948.12.16
申请人
LIFE EASE PRODUCTS, INC.
发明人
ZIMMERMANN KARL G.
分类号
A47L9/12
主分类号
A47L9/12
代理机构
代理人
主权项
地址
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