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发明名称
VACUUM CLEANER FILTER ASSEMBLY
摘要
申请公布号
US3636681(A)
申请公布日期
1972.01.25
申请号
USD3636681
申请日期
1970.03.20
申请人
SINGER CO.:THE
发明人
WILLIAM A. BATSON;CHARLES T. FROMKNECHT
分类号
A47L5/36;(IPC1-7):B01D46/00
主分类号
A47L5/36
代理机构
代理人
主权项
地址
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